Question

WILL GIVE BRAILIEST!!

Answer 1

Answer:

d . 9 ^ 2

Step-by-step explanation:

9 ^ 3 *  9 ^ 4    /  9 ^ 5

=   81

= 9 ^  2

so the answer is D

Mark brainliest

Answer 2

$d. \: {9}^{2}$ ✅

Step-by-step explanation:

$\frac{ {9}^{3} \times {9}^{4} }{ {9}^{5} } \\ = \frac{ {9}^{3 + 4} }{ {9}^{5} } \\ = \frac{ {9}^{7} }{ {9}^{5} } \\ = {9}^{7 - 5} \\ = {9}^{2}$

Note:-

${a}^{m} \times {a}^{n} = {a}^{m + n}$

${a}^{m} \div {a}^{n} = {a}^{m - n}$

$\circ \: \: { \underline{ \boxed{ \sf{ \color{green}{Happy\:learning.}}}}}∘$