Question

Evaluate the expression.
A.
36
B. 1/8
C. 72
D. 1

Answer 1

\(\sf 9! \rightarrow 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1\)

Answer 2

\(\sf \dfrac{ 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2}{7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 2}\)

Answer 3

We can take out the one's because multiplying by 1 doesn't change anything.

Answer 4

What do I do with that? Multiply the top then the bottom and divide?

Answer 5

\(\sf \dfrac{ 9 \times 8 \times \cancel 7 \times \cancel 6 \times \cancel 5 \times \cancel 4 \times \cancel 3 \times \cancel 2}{\cancel 7 \times \cancel 6 \times \cancel 5 \times \cancel 4 \times \cancel 3 \times \cancel 2 \times 2}\)

Answer 6

We cancel out the similar numbers.

Answer 7

Leaving us with:

\(\sf \dfrac{9 \times 8}{2}\)

Simplify

Answer 8

Ohh.. Okay thank you!!!!!

Answer 9

No problem.