Show:
Negative Exponents
Fractions to Decimal
Decimals
Scientific Notations
Square Roots & Perfect Squares
100

Evaluate 3-3

1/27

100

Write 2/5 as a decimal.

0.4
100

Add. 7.08 + 4.5

11.58

100

Put 1,900 in scientific notation. 

1.9 x 103

100

What is the square root of 81?

9
200

Evaluate. 9-2

1/81

200

Write 4/20 as a decimal.

0.20

200

Subtract. 112.9 - 84.3

28.6

200

Put 4.5 x 105 in standard notation.

450,000

200

What is the square root of 400?

20

300

Evaluate. 4-3

1/64

300

Write 3/8 as a decimal.

0.375

300

Multiply. 1.73 x 0.5

0.865

300

Put 8.2 x 107 in standard form.

82,000,000

300

Evaluate. 2(sqrt16) + 5

13

400

Multiply & Simplify. 4/12 x 2/5

2/15

400

Divide. 4.86 / 0.6

8.1

500

Divide & Simplify. 5/8 / 1/2

5/4