Exponents and Radicals - Mod 1 Review

Exponents

100

Write 4x4x4x4x4x4x4 in exponential form.

4^7

200

Write 3^5 in expanded Form.

3x3x3x3x3

300

Evaluate the expression, (-3)^3

-27

400

Evaluate the expression, (149)^0

1

500

Evaluate the expression, 9^-2

1/81

Laws of Exponents

100

Evaluate: (2^2)^3

4^3 = 64 or 2^6 = 64

200

Simplify: (4y)^3

64y^3

300

Simplify: (x^5)(x^9)

x^14

400

Simplify: (36x^4y^3)/(6xy^2)

6x^3y

500

Simplify: (5x^2)^3/(7y^9)^0

125x^6

Miscellaneous

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

Shelly says: (5^4)(5^-3) = 5 Is Shelly correct? Explain.

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

300

Bob says 4^3/4^-3 = 4^0 = 1.  Is Bob right?

No, 4^3/4^-3=4^6

400

The number of minutes we have for the test.

What is 55?

500

Exponents, radicals, number sets and imaginary numbers.

What are the topics on the test?