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Definitions and integers
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100

What is the opposite of -20?

20
100

25+16

41

100

76-18

58

100

8(-12)

-96

100

-90/3

-30

200

What is the absolute value of l-31l ?

31

200

-8+30

22
200

40-(-9)

49

200

-7(-10)

70

200

73.22/5

366.1

300

Is this Rational or Irrational?

-6.7474747474

Rational

300

9.60+(-11.75)

-2.15

300

-5.19-7.50

-12.69

300

-1.6(-3.2)

5.12

300

(-90.20)/(1.5)

-60.13333 (repeating)

400

Is this rational or irrational?

4.9884513729......

Irrational

400

3/4+ (-7/8)

-1/8

400

3/6 - 2/5

1/10

400

(2/5)(-1/6)

-1/15

400

(5/9) / (4/10)

1 1/24

500

What integer represents the situation?

The oil rig drills 50,000 feet

-50,000

500

-2/8 + (-1/5)

-9/20

500

-9 - (2/3)

-9 2/3

500

(-9/12)(-4/5)

3/5

500

(3/8) / (-2/3)

-9/16