It gets bigger. Quickly. Also, if it was an integer, then it will eventually end in a 5, followed by a bunch of 0's. There will be as many 0's as there were powers of 2 dividing the original number.
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Move the decimal point to the right one time.
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
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
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.
you multiply by 2