Mathematics, 02.04.2020 21:37 5924000264

Rewrite each expression using only positive exponents! IF YOU ANSWER THEM ALL ILL GIVE U A THANKS AND BRAINLIEST ANSWER AND 5 STARS! (/ means its a fraction)
1. 7^3 x 16^-9
2. 8^-6 / 21^-4
3. (7/16)^-3
4. 16^3 x (-7_^3
5. (8 x 21)^-4
6. 8 x 21^-3
7. 11^-7 x 5^9 / 6^9
8. 11^-7 x 5^9 / 6^-9
9. 6^9 x 11^-7 x 5^-9
10. 3^5 x (-4)^-10 / 7^9 x 21^-4
11. (-21)^-4 x (-4)^0 / 3^-5 x 7^-9
12. (3/7)^-5 x (-21)^-4 x (-4)^2
THANK YOU SO MUCH!!! ^O^

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Rewrite each expression using only positive exponents! IF YOU ANSWER THEM ALL ILL GIVE U A THANKS AN...