Ch 2 Review

Multiply by 10's

100

10 x 67

670

200

100 x 40

4000

300

10 x 0.2

2

400

10 x 0.17

1.7

500

100 x 0.005

0.5

Exponents

100

2⁴

16

200

4^x = ?

64

300

7 x 7 x 7 x 7 x 7 in exponent form

7⁵

400

Standard Form

5⁴

625

500

2² x 3² = ?

36

Products

100

Multiply

12 x 36

432

200

0.2 x 24

4.8

300

0.02 x 2.3

0.046

400

32 x 1,252

40,064

500

Round to the nearest cent

$34.47 x 58

$1999.26

Scientific Notation

100

What is the form of Sci. Not?

a x 10^x

200

Write in standard form

2 x 10⁴

20,000

300

Write in Sci Not

23,456

2.3456 x 10⁴

400

Write in standard form

3.5 x 10⁷

35,000,000

500

Write in Sci Not

260,000,000

2.6 x 10⁸

Estimate and Round

100

Round to nearest hundred

491

500

200

Estimate 

1.2 x 5

~ 5

300

Round to nearest tenth

1.8423

1.8

400

Estimate

11,067 x 203

2,000,000

500

Round to nearest cent

$23.99721

$24.00