Tom simplified an expression in three steps, as shown:
Which is the first incorrect step and why?
A: Step 1, all the exponents are increased by 4.
B: Step 2, the exponents of the same base are added during multiplication.
C: Step 3, the exponents of the same base are subtracted during division.
D: Step 3, all the exponents are added during division.

Question

Tom simplified an expression in three steps, as shown:
Which is the first incorrect step and why?
A: Step 1, all the exponents are increased by 4.
B: Step 2, the exponents of the same base are added during multiplication.
C: Step 3, the exponents of the same base are subtracted during division.
D: Step 3, all the exponents are added during division.

angiedoesschool2275 · Answer

attachment

angiedoesschool2275 · Answer

Really confused ;-;, but my guess would be B..

welshfella · Answer

look carefully at the first step

welshfella · Answer

remember the rule (x^a)^b = x^ab

welshfella · Answer

NOT (x^a)^b = x^(a+b)

angiedoesschool2275 · Answer

Ah, okay. Thank you so much for helping! This confused me a bunch x_x Mostly looked at the exponents

welshfella · Answer

- in step 1 they have added the 4 instead of multiplying by 4.

angiedoesschool2275 · Answer

So, A? :3

welshfella · Answer

yea

angiedoesschool2275 · Answer

Thank you!! I understand it plenty now. Have a wonderful day!!