Chapter 5 Review Part I

Integers

100

-16 ÷ 8 =

-2

200

-5 x -3 =

15

300

-22 + 5 = 

-17

400

-17 - 3 =

-20

500

-20 - -40 =

20

Fractions

100

1/3 + 1/3 =

2/3

200

5/8 x 1/2 =

5/16

300

Change  8 2/5 into an improper fraction

42/5

400

2/3 ÷ 12/5 =

(simplify your answer)

5/18

500

3/7 + 3/8 =

45/56

Exponents and Scientific Notation

100

m⁵m¹⁰=

m¹⁵

200

write an equivalent expression using a positive exponent

x^-13

1/x¹³

300

y^-3/y² =

y^-5

400

(b¹²)⁰=

1

---------------

b⁰ = 1

500

Express 56,781,000 in scientific notation

5.6781 x 10⁷

Real Numbers

100

Which property is shown?

a + (b + c) = (a + b) + c

associative

200

Which property is being shown?

2 + 3 + 7 + 10 = 2 + 3 + 10 + 7

commutative

300

Which one shows the commutative property?

a. a + b = b + a

b. ab = ba

c. all of the above

c. all of the above

400

simplify.

2(6 + 7x) =

12 + 14x

500

Simplify.

- (-4x + 16)

4x - 16

Random

100

-2^{4 = ?}

a. 16

b. -16

b. -16

--------------------------------------

(-2)⁴= 16

200

24 - 12 x 2 + 1 =

1

300

Sqrt (121) =

11

400

Express 0.345 in scientific notation

3.45 x 10^-1

500

True or False?

The real numbers are closed under subtraction

True