Unit One Review

Exponents

100

Rewrite 6^-2 without a negative exponent

1/6²

200

Write 8x8x8x8x8x8 using exponents!

8⁶

300

Solve: 36c⁷/6c²

6c⁵

400

Which expression is equivalent to 1/27?

a. 3¹ x 3^-10

b. 3^-1 x 3^-10

c. 3^-4 x 3⁷

d. 3⁴ x 3^-7

d. 3⁴ x 3^-7

500

In the following equation, what are the possible values for m and n?

3^m x 3ⁿ = 3^-2

a. m=-1  n= 2

b. m=-1  n= -1

c. m= 1 n= 1

d. m= -4 n= -2

b. m=-1  n= -1

Solving Equations

100

Solve: t² = 25

t=5

200

√s = 15

s = 225

300

Cube root of v = 2

v = 8

400

Solve: p³ = 512

p = 8

500

Solve: k³ = 729

k = 9

Decimals and Fractions

100

Write as a fraction .25

1/4

200

Write as a fraction .1

1/10

300

Write as a fraction .5

1/2

400

Write as a decimal 5/9

.5555 (repeated) 

500

Write as a decimal 4/5

.8

Rational and Irrational Numbers

100

Rational or Irrational? √36

Rational

200

Rational or Irrational? π

Irrational

300

Estimate the radical √23

Between 4 and 5

400

Estimate the radical √56

Between 7 and 8

500

Put the following numbers in order from least to greatest.

-2, √49, -56, .9, Π

-56, -2, .9, Π, √49

Scientific Notation

100

Write in scientific notation 2342

2.342 x 10³

200

(2.3 x 10⁸) + (63.2 x 10⁸)

65.5 x 10⁸

300

(85.2 x 10⁴) - (45 x 10⁴)

40.2 x 10⁴

400

(6.7 x 10^-5)(89 x 10⁸)

596.3 x 10³

500

(7.8 x 10^-8)/(4 x 10^-9)

1.95 x 10¹