Because if the exponent is an even number, x can also be -x. For example, -4^2=4^2 but -4^3 isn't the same as 4^3
Answer:
c
Step-by-step explanation:
Your question is not correct.
63x-8<u><</u>23
63x<u><</u>23+8
<u>63</u><u>x</u><u> </u><u><</u><u> </u><u>31</u>
63. 63
x<u> </u><u><</u> 0.492