6th Review-7th New

Integers

224

-2+2+-2x2+-2+2x-2+2

-8

363

4x4²

64

457

-4x40

-160

557

-2x2+4

what is 0

Zeros

224

1/0

undefined

363

10x4-6x0x3

40

457

does 0x0x0x0²x 3.6 = 6.12

no

557

0+1x3-4+8-6

1

Probability

224

There are four marbles 2 green, 1 black, and 1 blue. What is the probability that you will pull out a green marble?

1/2 or 0.5

363

There are 40 marbles, 10 green, 5 blue, 2 black, 3 white, 17 yellow, and 3 more are purple. What is the probability you will pull out each color of marble?

green: 1/3 or 0.33

blue: 1/7 or 0.2

black: 1/19 or 0.052

white and purple: 3/37 or 0.081

yellow: 17/23 or 0.739

457

if you stick your hand in a bag with 10 marbles 1 is green, 2 blue, 3 yellow, and 4 red. what is the probability you will pull out a red marble?

4/6 or 0.666

557

you have a bag full of 2 marbles one is green the other is blue what is the probability you will pull out a green marble

1/2 or 0.5