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How do you know where to put the decimal when multiplying decimals?
If two decimal numbers have x and y digits after the decimal point respectively, then their product has (x + y) digits after the decimal point.
How can i use decimal models to add decimals?
You can use decimal models to add decimals by using the hundedths blocks as used in base-ten blocks and add the following decimals you need to and use the hundredths block to shade in the total.
How do you change percentages to decimals and decimals into percentages?
5.34 x 100 = 534 To change a decimal into a percentage: times by 100, or move the decimal point two places to the right. 534 / 100 = 5.35 To change a percentage into a decimal: divide by 100, or move the decimal point two places to the left).
Is a repeating decimal rational?
yes, repeating decimals (those that have infinite - never ending - number of digits after the decimal point and these decimals show repeating pattern) are rational numbers, because they can be written as fractions.
How many zeros are in a trillion with decimals?
There are 12 0s in a trillion - before the decimal point. Since a trillion is a whole number, there is no need for 0s after the decimal point. If you do have 0s after the decimal point, there can by any number that you like and so the question cannot be answered.
Is a decimal point a math symbol?
Possibly, as decimals can't be decimals without decimal points.
How do agricultural workers use decimals?
When they get their paycheck, their cents are separated from their dollars by a decimal point.
What is another name for decimals?
'point' or 'and' because decimal ''point''
Decimals?
Number with decimal point and number after it
What period is after the decimal point?
The decimal point is the only period (full-stop) used in decimals.
How do you write money with 3 decimal places?
That means that there are 3 digits after the decimal point (or comma - some countries use a comma to separate decimals).
What are two methods for determining the placement of the decimal point in the product?
When you multiply decimals, the decimal point is placed in the product.
How can you use an estimate to help you place the decimal point in multiplying decimals?
0.235 * 0.6891 = 0.1619385 What's to estimate? The total decimal places in the multiplicands is the total in the answer.
What symbols do you use?
plus sign (+), minus (-), number (#), decimal point for decimals and money, percent (%), dollar sign ($), equal (=)
Why do you line up the decimals when adding decimals?
Because left of the decimal point goes times 10 for every position and right of the decimal point goes times -10 for every position.
How do you distinguish decimal numbers?
Fractions have a 'bar' in them - 2/3 Decimals have a decimal point - 1.45
How do accountants use decimals?
Accountants use decimals by simply dividing the fractions and getting a decimal number. One does not need to be an accountant to use decimals.
