IGCSE /Grade 7
Maths MCQ Based On Multiplying and dividing decimals by powers of ten
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IGCSE Grade 7 Maths Multiplying and dividing decimals by powers of ten
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Divide and multiply
multiplying by 100 moves it 2 places to the left
divide by 10
To multiply a decimal by a power of ten, we move the decimal point to the right by as many places as there are zeros in the power of ten.
To multiply a decimal by a power of ten, we move the decimal point to the right by as many places as there are zeros in the power of ten.
To divide a decimal by a power of ten, we move the decimal point to the left by as many places as there are zeros in the power of ten.
dividing by 100 makes it 100 times smaller
dividing by 1000 moves digit 3 places to the right
multiplying by 10 makes it 10 times bigger
divide by 100
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