1.

Q: $$ \ 81^{2.5}×8^{4.5}÷3^{4.8}=9^?$$

A. $$ \ 7.1 $$
B. $$ \ 9.4 $$
C. $$ \ 4.7 $$
D. $$ \ 4.5 $$
Answer» B. $$ \ 9.4 $$


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