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What is use when dividing decimals to remove the decimal from the divisor?
Wiki User
∙ 9y ago
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. So all the whole numbers that we normally use are decimal numbers - because we usually count in units and tens (and hundreds, thousands, and so on). A decimal representation does not require a decimal point. The question concerns decimal fractions rather than decimal numbers.
Mathematically, removing the decimal point and fractional representation makes no difference. Some people find it easier to determine the position of the decimal point in the quotient if the denominator is not a decimal fraction. That is all!
Wiki User
∙ 9y ago
Wiki User
∙ 9y agoMathematically, removing the decimal point from a ratio of decimal numbers makes no difference. Some people find it easier to determine the position of the decimal point in the quotient if the denominator is not a decimal fraction. That is all!
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How do you divide circumference by 3.14 if theres a decimal?
When dividing by decimals, the easiest way to do this is to modify the question so that there is no longer a decimal in the divisor. Just as with equivalent fractions, if we multiply the dividend and the divisor by the same number, we do not actually change the question. For example, consider 1 divided by 0.2 (ie 1 / 0.2) Start by multiplying the dividend and the divisor by 10 to remove the decimal in the divisor. This changes the problem to 10 / 2. We can now evaluate the division to give 10/2=5. In your specific case where you want to divide by 3.14, you would times both the dividend and the divisor by 100 to remove the decimal in the divisor. For example 6.28 / 3.14 = 628 / 314 = 2
How dividing by decimal is different from dividing by whole number and how it is similar?
Dividing by decimal is different from dividing by whole number as you have to multiply by a number to remove the decimal.
I need help with decimals 2.1 x 5.01?
A simple trick with multiplying decimal numbers is to remove the decimals, multiply the two numbers, then add the decimals back in. The number of decimals you add back in is the total number of decimal places. For example, the stated problem has 1 decimal places in 2.1 and 2 decimal places in 5.01. So first we do the following: 21x501=10521 Now we add 1+2=3 decimal places into the result above: 10.521 That's the answer.
How to add decimals?
It is like adding integers, but like this: Example: 1.3 + 7.8 1.3 --> 13 + 7.8 --> 78 91 --> 9.1 First, you need to remove the decimals, then add that. At the end, you will have to make an educated guess as to where you should put the decimal.
Why should you multiply the divisor and the dividend by the same power of ten?
Because not to do so would change the relationship between them 3.45/12.3 = 345/1230 = 0.2805 (approx) If you multiplied the dividend by 100 and the divisor by ten (doing just enoguh to remove the decimal places) then the relationship (the ratio) changes 345/ 123 = 2.8049 (approx)
How do you divide circumference by 3.14 if theres a decimal?
When dividing by decimals, the easiest way to do this is to modify the question so that there is no longer a decimal in the divisor. Just as with equivalent fractions, if we multiply the dividend and the divisor by the same number, we do not actually change the question. For example, consider 1 divided by 0.2 (ie 1 / 0.2) Start by multiplying the dividend and the divisor by 10 to remove the decimal in the divisor. This changes the problem to 10 / 2. We can now evaluate the division to give 10/2=5. In your specific case where you want to divide by 3.14, you would times both the dividend and the divisor by 100 to remove the decimal in the divisor. For example 6.28 / 3.14 = 628 / 314 = 2
How dividing by decimal is different from dividing by whole number and how it is similar?
Dividing by decimal is different from dividing by whole number as you have to multiply by a number to remove the decimal.
I need help with decimals 2.1 x 5.01?
A simple trick with multiplying decimal numbers is to remove the decimals, multiply the two numbers, then add the decimals back in. The number of decimals you add back in is the total number of decimal places. For example, the stated problem has 1 decimal places in 2.1 and 2 decimal places in 5.01. So first we do the following: 21x501=10521 Now we add 1+2=3 decimal places into the result above: 10.521 That's the answer.
What is 2.5 x 2.5?
There are many ways to figure 2.5x2.5. If the decimals confuse you, remove the decimals and you may insert them at the end. 25x25=625.Remember*: When multiplying vertically, don't insert the decimal under the decimals in the factors:2.5 Instead, move the decimal two places to the left since therex2.5 are two decimals (one in each factor)____ so that the answer is 6.25.62.5 Not correct.
How do you divide withe decimals?
Its less awkward with decimals with a decimal point to multiply the top and bottom out to remove the decimal points. example: divide 125.24 by 8.6 so 125.24/8.6 , so multiply top and bottom by 100, gives 12524/860 , then divide out, the result is the same.
How do you write 5 percent in decimals?
To write 5% in decimal: 1. Remove the % sign. 2. Divide 5 by 100 or simply move the decimal point two places to the left. therefore, 5% = 0.05 in decimal
Why do you clear decimals when solving linear equations and inequalities and example?
Even if you keep the decimal, later on you will still have to remove it. It is just an easier way to solve the equation.
How to add decimals?
It is like adding integers, but like this: Example: 1.3 + 7.8 1.3 --> 13 + 7.8 --> 78 91 --> 9.1 First, you need to remove the decimals, then add that. At the end, you will have to make an educated guess as to where you should put the decimal.
How do you convert 83 percent into a decimal?
0.83 To convert percents to decimals just divide the percent by 100 and remove the percent sign (%). (The same is achieved by removing a percent sign (%) and moving the decimal point two places to the left: 83% => 83 => 8.3 => 0.83.)
Why should you multiply the divisor and the dividend by the same power of ten?
Because not to do so would change the relationship between them 3.45/12.3 = 345/1230 = 0.2805 (approx) If you multiplied the dividend by 100 and the divisor by ten (doing just enoguh to remove the decimal places) then the relationship (the ratio) changes 345/ 123 = 2.8049 (approx)
How can you find a ratio from a decimal?
Just remove the decimal.
Which is the smallest decimal 0.003 0.033?
0.003 < 0.033 Method to check We note that both decimals are to three places. Secondly remove the decimal point Hence 0003 and 0033 Thirdly remove the prefix zeroes. 3 & 33 It is obvious that 3 < 33 Hence it follows that 0.003 < 0.033
