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Powers of 10
Writing Fractions/Decimals
Expressions
Rounding Decimals
Greater, Less, or Equal
100

30 x 1,000

30,000

100

Write this decimal as a fraction.

               .765

765/1,000

100

Three more than a number.

x + 3   or  3 + x

100

Round this decimal to the nearest tenths spot.

                              .76

.8 

100

Use > , < , or = to solve

                    34.65 ___ 34.98

34.65 < 34.98

200

542 x 10,000

5,420,000

200

Write this fraction as a decimal.

               32/100

.32

200

Seven less than a number.

n - 7

200

Round this decimal to the nearest thousandths spot.

                              .7246

.725

200

Use > , < , or = to solve

                       -56.872 ___ 42.34

-56.872 < 42.34

300

6.75 x 1,000

6,750

300

Write this decimal as a fraction.

               .6524

6,524/10,000

300

The quotient of six and a number

n / 6

300

Round this decimal to the nearest hundred thousandths spot. 

                          .9135824

.91358

300

Use > , < , or = to solve

                  678.9123 ___ 678.9137

678.9123 < 678.9137

400

4,762 x 1,000,000

4,762,000,000

400

Write this fraction as a decimal.

               67.5/1,000

.0675

400

Three more than twice a number.

2n + 3  or 3 + 2n

400

Round this decimal to the nearest hundredths spot.

                              .73901652

.74

400

Use > , < , or = to solve

                       -.582 ___ -.0124

-.582 < -.0124

500

78.2347 x 100,000

7,823,470

500

Write this decimal as a fraction.

               .005238

5,238/1,000,000

500

Eight less than a number quadrupled.

4n - 8

500

Round this decimal to the nearest ten millionths spot.

                 .5490172936

.5490173

500

Use > , < , or = to solve

                  -.82346 ___ -.82351

-.82346 > -.82351