Exponents
Exponents
Scientific Notation
Cube, cube root, squares, square roots
Miscellaneous
100

Write 4x4x4x4x4x4x4 in exponential form.

47

100

Evaluate: 2-2

1/4

100
Is the following expression written in scientific notation? If not, explain why. 3.25 + 10^-7
No, it should be multiplied, not added.
100

Square root of 81

9

100
Is -2^8 the same answer as (-2)^8? Explain.
No, without parentheses () the answer will be negative, with them the answer will be positive.
200

Write 35 in expanded Form.

3x3x3x3x3

200

2-3x4

x4/8

200
The mass of Jupiter is approximately 1,900,000,000,000,000,000,000,000,000 kg. Write the mass of Jupiter in scientific notation.
1.9 x 10^27
200

cube root of 64

4

200

Shelly's work is shown below: (5^4)(5^-3) = 5 Is Shelly correct? Explain.

Yes, 4+-3 = 1. 5^1=5

300

Evaluate the expression, (-3)3

-27

300

4-3y-2z-6

1/64y2z6

300
The mass of a Monarch butterfly is about 9.5 x 10^-3. Write this number in standard form.
.0095
300

Approximate the square root of 8

2.8 or 2.9

300
Is the following number written in scientific notation? Why or why not? 13.79 x 10^7
No, 13.79 is greater than or equal to 10.
400

Evaluate the expression, (149)0

1

400

52x3y-3z-2

25x3/y3z2

400
The size of the Sahara desert is about 3.629 x 10^6 square miles and the Arabian desert is about 9 x 10^5 square miles. Which desert is larger? Explain how you know.
Sahara, because the exponent is bigger.
400

What two perfect squares is the square root of 39 between?

6 and 7

400
Which one is greater?  4-2 or 1.2x10-2

4-2 = 0.0625

500

Evaluate the expression, 9-2

1/81

500

x0

1
500
The size of the four oceans, in square km, is shown below. List the oceans from smallest to largest. Pacific Ocean - 1.7965 x 10^8, Arctic Ocean - 1.323 x 10^7, Atlantic Ocean - 1.061 x 10^8, Indian Ocean - 7.49 x 10^7
Arctic, Indian, Atlantic, Pacific
500

Approximate the square root of 29

5.3 or 5.4

500

Put this in decimal form. 5-2

0.04

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