Can someone please help me I really need help with this

Step-by-step explanation:

The given expression is 7fgh*3fg^3h^5

We can multiply the numbers together first to get:

21fghfg^3h^5

Keep in mind this rule:

n^a*n^b=n^a+b

That said, we can simplify it fairly easily:

21f^2g^4h^6

Or:

answer 1 : option "c"

answer 2 : option "d"

answer 3 : option "b"

answer 4 : option "d"

answer 5 : option "b"

answer 6 : option "a"

answer 7 : option "c"

answer 8 : option "d"

answer 9 : option "c"

answer 10 : option "d"

answer 11 : option "c"

answer 12 option "b"

answer 13 option "c"

answer 14 option "c"

answer 15 option "d"

answer 16 option "a"

answer 17 option "b"

answer 18 option "c"

answer 19 option "a"

answer 20 option "a"

answer 21 option "c"

d