Posted by **Yoda** on Thursday, September 6, 2012 at 5:49pm.

1. Which exponent makes the statement true? 1/5^9 = 5^?

a. 9

b. -9

c. 1/9

d. - 1/9

2. y^5 x y^14 =

a. 2y^19

b. y^60

c. y^19

d. 2y^60

3. w^12/w^18 =

a. w^30

b. w^-30

c. w^6

d. w^-6

5. 5^5/5^2 =

a. 5^1

b. 5^2

c. 5^3

d. 5^4

Please help me this is all like greek too me. My teacher taught me how and i still don't get it.

- math -
**Reiny**, Thursday, September 6, 2012 at 6:01pm
1.

(1/5)^9

= 5^-9

2. y^6 x y^14 = y^20

when multiplying powers with the same base, keep the base and add the exponents

3. w^12 / w^18 = w^-6

when dividing powers with the same base, keep the base and subtract the exponents

5. use method of #3

- math -
**Delilah**, Wednesday, September 26, 2012 at 6:49pm
1. -9 = b

2. y^19 = c

3. w^-6 = d

5. 5^3 = c

Source:

Connections Academy - I totally did some of these problems when i was in 7th grade now i am in 8th- let me know f u need more help!

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