Decimals-powers, order, compare, round

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a dot (decimal point) separating the whole number from the fractional part.

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to a nearby specified value, often to make it simpler or easier to work with.

Front

How do you round 72.178 to the nearest hundredth?

Back

72.18

Front

What is the value of 10^2?

Back

100

Front

What is the value of 10^3?

Back

1,000

Front

How do you compare decimals?

Back

To compare decimals, align the decimal points and compare digit by digit from left to right.

Front

What is the nearest tenth of 23.542?

Back

23.5

Front

What is the nearest tenth of 47.941?

Back

47.9

Front

True or False: 10^3 = 30.

Back

False

Front

What is the value of 42 x 10^2?

Back

4,200