Decimals And Percentages Flashcards

0
Q

What do you do to multiply a number by 100

A

Move the decimal point 2 places to the right

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1
Q

What do you do when you multiply a number by 10

A

Move the decimal point one place to the right

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2
Q

What do you do to divide a number by 10

A

Move the decimal point one place to the left

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3
Q

What do you do to divide a number by 100

A

Move the decimal point 2 places to the left

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4
Q

What does percent mean

A

Per 100

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5
Q

What do you do to express a fraction as a decimal

A

Divide the numerator by the denominator

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6
Q

What do you do to express a fraction as a percentage

A

Divide the numerator by the denominator and multiply by 100

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7
Q

What do you do to express a decimal as a fraction

A

. Put the decimal over 1

. Multiply that fraction by 100/100 and simplify

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8
Q

What do you do to express a percentage as a decimal or a fraction

A

Divide by 100

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