Unit 1 Review - Operations with Rational Numbers

Question 1

-2(-12)

Accepted Answer

24

Question 2

Write in standard notation: 9.46 x 100

Accepted Answer

9.46

Question 3

Simplify: 9(-1 + 4)

Accepted Answer

27

Question 4

Write as a decimal: 7/25

Accepted Answer

0.28

Question 5

-6 + 6

Accepted Answer

0

Question 6

-12 - (-5)

Accepted Answer

-7

Question 7

Simplify: √25 +24

Accepted Answer

29

Question 8

Write in standard notation: 3.2 x 103

Accepted Answer

3200

Question 9

Simplify: -6 - 8 =

Accepted Answer

-14

Question 10

Simplify: √(7+9)

Accepted Answer

4

Question 11

Rational, irrational or not real? -√(81/9)

Accepted Answer

rational

Question 12

Simplify: 10-3

Accepted Answer

0.001

Question 13

Simplify: 21/30

Accepted Answer

7/10

Question 14

Which section? -√(1/9)

Accepted Answer

repeating decimal

Question 15

Simplify: 1.6 x 10-2

Accepted Answer

0.016

Question 16

2/3 + 4/5

Accepted Answer

1 8/15

Question 17

Rational, irrational or not real? √27

Accepted Answer

irrational

Question 18

1.9 ÷ -0.05

Accepted Answer

-38

Question 19

8 + n for n = -1/4

Accepted Answer

7 3/4

Question 20

In one year, Americans made 445 billion phone calls. Write in scientific notation

Accepted Answer

4.45 x 1011

Question 21

Write as a simplified fraction or mixed number: -3.46

Accepted Answer

-3 23/50

Question 22

(3/4)(1/8)

Accepted Answer

3/32

Question 23

(5/6)÷(-9/16)

Accepted Answer

-1 13/27

Question 24

-9 - 2

Accepted Answer

-11

Question 25

Write as a decimal: -25/5

Accepted Answer

-5

Question 26

Simplify: 10-3 * 105

Accepted Answer

100

Question 27

-9 + (-5)

Accepted Answer

-14

Question 28

Simplify: (-4)3

Accepted Answer

-64

Question 29

Which section? √(81/9)

Accepted Answer

natural number

Question 30

Simplify: 15/17

Accepted Answer

already simplified

Question 31

10 + j for j = -3

Accepted Answer

7

Question 32

4.73(-3.1)

Accepted Answer

-14.663

Question 33

Simplify: 8(-10 + 7)

Accepted Answer

-24

Question 34

Which section? √(1/9)

Accepted Answer

repeating decimal

Question 35

√136

Accepted Answer

between 11 and 12

Question 36

Which section? -√(81/9)

Accepted Answer

integer

Question 37

Simplify: 25/22

Accepted Answer

8

Question 38

Simplify: 7/23 - 9/23

Accepted Answer

-2/23

Question 39

Write with a positive exponent: 10-3

Accepted Answer

1/103

Question 40

2 - (-7)

Accepted Answer

9

Question 41

What's the best way to study for a math test?

Accepted Answer

do math problems and check my answers

Question 42

-1.4 + 0.72

Accepted Answer

-0.68

Question 43

Write with exponents: 3*3*3

Accepted Answer

33

Question 44

5(-7)

Accepted Answer

-35

Question 45

s + 6 for s = -6

Accepted Answer

0

Unit 1 Review - Operations with Rational Numbers

Questions 45

Unit 1 Review - Operations with Rational Numbers

Questions 45