Answer:
B) 7^2 x 7^3
Step-by-step explanation:
B is 7^5 , everything else is 7^4
550×10 I think how do you want it to be explained
Answer:
2*square root of 2
Step-by-step explanation:
The square root of 8 is equal to 2*square root of 2
I think it might be r= -3
