Answer:

Step-by-step explanation:
Invert and multiply the way you would any fraction division problem. Then cancel common factors from numerator and denominator.

Answer:
bottom right 8 x 10^1
Step-by-step explanation:
multiply the numbers (2x4 is 8)
add the exponents of 10 (-3+4 is 1)
so the answer is the bottom right 8 x 10^1
Find a common denominator...
1/5 = 7/35
7/35 = 7/35
6/25 = ... can't have 35 as a denominator. Not equivalent.