Use comb rules for expon to simp.write w/only pos expon.assume variable represen

Mathematics
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Use a combination of rules for exponents to simplify. Write answers with only positive exponents. Assume that all variables represent nonzero real numbers

1)   {7^4}^4 / 7^5                  a)  7^11           b) 7^21           c)7^13     d) 7^3

2)   {7r}^9{7r}^-8                   a) 49r^17        b) 1/7^r           c) 7^r        d) 49^r

3)   {x^2y^-4}^3 /x^-2y^4       a)  y^8/x^16    b  )x^8/y^16   c)  x^6/y^12   d)  y^6/x^12

May 12th, 2015

1.a)  7^11

2. c) 7^r

3. b) x^8/y^16


May 12th, 2015

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