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Mathematics 13 Online
OpenStudy (anonymous):

can someone check my answer please? :) Simplify the expression: 7^7 • 7 • 7^8 A. 7^56 B. 7^16 C. 7^15 D. 7^3 i think its C

OpenStudy (cwrw238):

add the powers |dw:1399056878196:dw|

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