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177.5÷173.5×174.5=17?17^{7.5}\div17^{3.5}\times17^{4.5}=17^{?}

A15

B14

C14.5

D8.5

Answer:

D. 8.5

Read Explanation:

177.5÷173.5×174.5=17?17^{7.5}\div17^{3.5}\times17^{4.5}=17^{?}

177.5÷173.5×174.5=177.53.5×174.517^{7.5}\div17^{3.5}\times17^{4.5}=17^{7.5-3.5}\times17^{4.5}

=174+4.5=178.5=17^{4+4.5}=17^{8.5}

?=8.5?=8.5


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