Answer:
The student is wrong.
Step-by-step explanation:
To divide exponents (or powers) with the same base, subtract the exponents. In the second step, the wrong result is calculated.

Answer:
0.833 repeating or 5/6
Step-by-step explanation:
I just searched it online it that's all
98.
The numbers increase by intervals of 8. You need 16 more terms until you reach the 20th term, so 16*8=128.
128-30=98.
Answer:
You mean improper fraction?
3 x 8 = 24
24 + 3 = 27
27/8