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: 49.5
Step-by-step explanation:
Answer:
Step-by-step explanation: is b
Answer:
1/y+4
Step-by-step explanation:
1-5+1/y+8
1/y+(1-5+8)
1/y+4
Answer:
570
Step-by-step explanation:
In order to get the answer, you simply subtract.. 605-35=570