Question

simplify:(3^10 + 3^7) x 3^-5 (2) Evalute:2^3/2^5 x 3^5/3^3​

Answer 1

Answer:

Let a=(3

−7

+3

−10

)×3

−5

=3

−12

+3

−15

=3

−12−15

=3

−27

a=

3

27

1

Answer 2

Answer:

(1)3^-2

(2) 9/4

Step-by-step explanation:

1.

$( {3}^{3} ) \times {3}^{ - 5} = {3}^{ - 2}$

2.

${2}^{(3 - 5)} \times {3}^{(5 - 3)} = {2}^{ - 2} \times {3}^{2} = \frac{9}{4}$