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Mathematics 9 Online
OpenStudy (anonymous):

PLzzz help! 1.Write 3^2 x 3^-3 x 3^6 as a single exponent. A. 3^4 B. 3^5 C. 3^11 D. 27^5 2. Find the product. 1/8 x 6/8 A. 3/32 B. 1/2 C. 3/4 D. 3/8

OpenStudy (anonymous):

Start with, 3^2, what is 3^2?

OpenStudy (anonymous):

9

OpenStudy (anonymous):

Okay, then 3^-3?

OpenStudy (anonymous):

27

OpenStudy (anonymous):

actually, this way is easier, start by combining the exponents

OpenStudy (anonymous):

5

OpenStudy (anonymous):

Okay, so set that aside, since you have already used those, what else is left of the equation?

OpenStudy (anonymous):

3x3x3 = 27 put them both together and it would be 27^5 i think

OpenStudy (anonymous):

Right!

OpenStudy (anonymous):

thx for your help!

OpenStudy (anonymous):

For the second one, you find the product of a fraction by multiplying by the reciprocal

OpenStudy (anonymous):

okay! Thank you! You really helped me a lot !

OpenStudy (anonymous):

No prob!

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