WEBVTT

1
00:00:00.000 --> 00:00:03.936
Here is the problem: Evaluate 9 to the power 5 over 2).

2
00:00:04.386 --> 00:00:06.847
Raise 9 to the power 5 over 2.

3
00:00:07.647 --> 00:00:14.242
Identify the base and exponent. base b equals 9, exponent n equals 5 over 2.

4
00:00:14.692 --> 00:00:25.919
Fractional exponent rule. b to the power m/n) equals ( to the power nthe square root of b to the power m: the denominator 2 is the root, the numerator 5 is the power.

5
00:00:26.369 --> 00:00:28.238
Take the square root exactly.

6
00:00:29.038 --> 00:00:31.581
So the answer is 243.

7
00:00:32.031 --> 00:00:36.478
9 raised to 5 over 2 equals 243.

8
00:00:37.278 --> 00:00:42.061
Decimal check: 9 squared.5 approximately 243.
