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How can place value help me multiply a two-digit number by multiple of 10?
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How do you multiply decimal number by a multiple of ten?
Simply move the decimal point one place to the RIGHT. For example 12.345 multiplied by ten - is 123.45.
What do you multiply a number by to move the move the decimal place to the right?
Multiply by ten to move the decimal one place to the right. Multiply by 100 to move two places to the right. Divide by ten to move it one place to the left.
How do you calculate 2 fifths of a number?
Multiply the number by 2 and then divide by 5 or, more simply, multiply by 4 and move the decimal point one place to the left.
What is the greatest number you can make with 9 in the hundreds place?
There is no greatest number. Whatever number you come up with, I can multiply it by 1000 and add 999 and create a larger number with a 9 in the hundreds place.
When you multiply a whole number by 10 what is always true about the ones place?
It is always zero !
How do you multiply decimal number by a multiple of ten?
Simply move the decimal point one place to the RIGHT. For example 12.345 multiplied by ten - is 123.45.
What happen to a place value of a number when you multiply a number by ten?
To find the answer all you do is add a zero to the number.
What do you multiply a number by to move the move the decimal place to the right?
Multiply by ten to move the decimal one place to the right. Multiply by 100 to move two places to the right. Divide by ten to move it one place to the left.
How do you find 40 percent of a number?
To find 40% of a number, either multiply by .4 or multiply by 2 and divide by 5 or else multiply by 4 and move the decimal point one place to the left.
Is anyone of the numbers 0123 place value?
No. A number with multiple digits does not have a place value. A single digit in a multi-digit number has a place value.
How do you calculate 2 fifths of a number?
Multiply the number by 2 and then divide by 5 or, more simply, multiply by 4 and move the decimal point one place to the left.
What is the greatest number you can make with 9 in the hundreds place?
There is no greatest number. Whatever number you come up with, I can multiply it by 1000 and add 999 and create a larger number with a 9 in the hundreds place.
When you multiply a whole number by 10 what is always true about the ones place?
It is always zero !
How do you do to find a missing number on an equivalent fraction?
An equivalent fraction is just a multiple of the one that you have (i.e it is the one that you have, scaled up or down). So multiply the fraction that you have until either the numerator or the denominator match the given numerator/denominator of the fraction with the missing number. The number in the corresponding place on the fraction that you multiplied is the missing number.
What numbers are relatively prime to 5?
Since 5 is a prime number, then any number, which is not a multiple of 5, is relatively prime with the number 5. You can determine if a number is a multiple of 5, by looking at the ones place digit. If it is a 0 or 5, and the number itself is not zero, then the number is a multiple of 5.
What is 63 times 7?
To find the answer, multiply 7 times the number in the ones place (3) to get 21. Place the 1 in the one's place in the answer and carry the 2 to the tens place. Multiply the 6 in the tens place by the 7 to get 42 and add the 2 that you carried to get 44. Place that in the answer. The answer is 441.
Can a multiple of 4 end in 3?
No. Since 4 is an even number, then any multiple of 4 will also be an even number. An even number will have an even digit in its ones place (0,2,4,6, or 8).
