Question

$17^{7.5}\div17^{3.5}\times17^{4.5}=17^{?}$

• A. 15
• B. 14
• C. 14.5
• D. 8.5

Answer 1

Answer:

D. 8.5

$17^{7.5}\div17^{3.5}\times17^{4.5}=17^{?}$

$17^{7.5}\div17^{3.5}\times17^{4.5}=17^{7.5-3.5}\times17^{4.5}$

$=17^{4+4.5}=17^{8.5}$

$?=8.5$