<em><u>Solution:</u></em>
Given that,
We have to write 6^8 • 6^7 as a single power
Given is:
<em><u>Use the following law of exponent</u></em>
When, the base is same, powers gets added
Therefore,
Thus the given is written as a single power
8 3
-
9 4
Get common denominators.
8(4) 3 (9)
9(4) 4 (9)
=
32 27
36 36
5/36
Answer:
A = (5s^2t - 9st) (3t + 1)
Step-by-step explanation:
(5s^2 - 9s) (3t^2 + t)
= 15s2t^2 + 5s^2t - 27st^2 - 9st
= 5s2t (3t + 1) - 9st (3t + 1)
= ( 5s^2t - 9st) (3t+1)