1.6-1.9 review

1.6

100

what property is this?

ax(b+c)=(axb)+(axc)

distributive property

200

what property is this?

7+1=1+7

commutative

300

what property is this?

3+0=3

0+3=3

identity 

400

what property is this?

5x0=0

zero property

500

what property is this?

(9+2)+5=9+(2+5)

associative

1.7

100

write the exponential form for each.

2 cubed

2³

200

simplify. 

5³

30

300

simplify.

8³

512

400

simplify.

2⁵

32

500

simplify.

54³

157,464

1.8

100

square root of 36

6

200

square root of 12

3

300

square root of 20

4

400

square root of 25

5

500

the square root of 16

8

1.9

100

(10+28)- 3+2x4

148

200

(58x1-2+3)/3

19

300

(28x2)-12+3-2

45

400

5²x 3- 20+18

73

500

80-39x47/2

44

rules

100

what always comes first in the order of operations?

parenthesis

200

what comes last in order of operations?

addition or subtraction based on the left or right order.

300

what happens after we solve all the problems and we come to the addition and multiplication? 

we solve from left to right

400

what happens when there are brackets around the number. 

we multiply it

500

what comes after exponents?

square roots