Unit 2 Review

Write to Scientific Notation

100

Write to scientific notation

0.0000077

7.7 x 10^-6

200

Write to scientific notation

65,003,000,000

6.5003 x 10¹⁰

300

Write to scientific notation

87,200,000,000

8.72x10¹¹

400

Write to scientific notation

.0009

9x10^-4

500

Write to scientific notation

.000154

1.54x10^-4

Write to standard form

100

Write to standard form:

1.6x10⁵

160,000

200

Write to standard form

9.92x10⁰

9.92

300

Write to standard form

6.7x10^-4

0.00067 or .00067

400

Write to standard form

9.7x10⁷

97,000,000

500

Write in standard form:

8x10^-7

0.0000008 OR .0000008

Roots, Square, Powers of Ten

100

What is 7²

=49

200

What is the square root of 324?

18

300

Write as a fraction: 10^-4

1/10000

400

What is 14²

196

500

Is 0.0004 = 10^-4

Explain why or why not!

No, the 4 should be a 1

Compare and Ordering

100

Compare: 3.4x10⁸  and  3.5x10⁶

> or 3.4 x 10⁸

200

Arrange the following scientific notations:

Least to greatest: 1.2x10^-2 ;1.5x10⁰;1.5x10^-3

1.5x10^-3 ; 1.2x10^-2 ;1.5x10⁰

300

Arrange the following scientific notations:

Greatest to least: 1.2x10^-2 ;1.5x10⁰;1.5x10^-3

1.5x10⁰; 1.2x10^-2 ;1.5x10^-3

400

Arrange the following scientific notations:

Greatest to least: 3.4x10⁸ ;3.2x10⁵; 3.5x10⁶

 3.4x10⁸ ; 3.5x10⁶ ;3.2x10⁵

500

Compare:  3.2x10^-5  and  3.5x10^-2

< or 3.5x10^-2

Write Scientific Notation Correctly

100

What is wrong with this problem?

55x10^-3

First number must be between 1 - 9.9

200

What is wrong with this problem?

0.005.5 = 5.5x10^-3

There is an extra decimal in standard form

300

How many zeros would you have at the end of the number?

6.07x10⁹

7

400

What is wrong with this scientific notation?

.03x10^-3

The decimal is in the wrong spot.

500

What is wrong with this scientific notation?

0.237x10^-3

The decimal is in the wrong place.  Needs to be 2.37