Q: What happens when you multiply a number by a decimal?

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It moves three places to the right.

whenever you multiply a whole number by a decimal you get a decimal. 2.9x100=290

multiply the number by .1, that is the decimal form of 10%

Because the number becomes bigger

To convert a fraction to a decimal divide the numerator (top number) by the denominator (bottom number). To convert a decimal (or fraction) to a percentage multiply it by 100 %.

Related questions

Move the decimal point to the right one time.

It moves three places to the right.

if the answer is a three digit answer then make sure there is two numbers on the left and one on the right of the decimal pointthe decimal point will remain in the answer given eg 2.2 * 8 = 17.6

Often, yes. But it depends on the numbers. For example, if you multiply 1.5 x 2, you get 3 as the answer (whole number). But if you multiply 1.5 x 3, you get a decimal of 4.5

Fraction refers to the amount to the right of the decimal point (amounts of less than 1), so if you multiply any (positive) number by a fraction its value will be reduced.

whenever you multiply a whole number by a decimal you get a decimal. 2.9x100=290

Three. Count number of zeros. If multiply decimal by 100 move decimal point 2 places, etc.

you multiply by 2

When you multiply by 100, the decimal moves two places to the right. For example, 2.554 x 100 = 255.4.

True

Dividing by decimal is different from dividing by whole number as you have to multiply by a number to remove the decimal.

When multiplying a whole number by a decimal with two places, ignore the decimal point and multiply as if you were multiplying two whole numbers. After you get the answer, re-insert the decimal point so that the product has two decimal places.