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Math I need help please help

How do I find the answer to 2mn x 9mn if m=2 and n=4. I need help I dont get it

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Answer #1

WHOA!

Answer #2

Another solution:

2mn x 9mn = 18m²n²

= 18 x 4 x 16 = 1152

Answer #3

2mn x 9mn if m=2 and n=4

first plug in the numbers: 2(2)(4) x 9(2)(4)

Then multiply them to get your two separate numbers: 2x2x4=16 9x2x4=72

Then multiply the two numbers together: 16x72= 1152

Answer #4

No…

2mn x 9mn [m=2 and n=4]

[2x2x4] x [9x2x4]

[SOLVE WHAT’S IN THE FIRST BRACKET] 2x2=4; 4x4=16 [SOLVE WHAT’S IN THE SECOND BRACKET] 9x2=18; 18x4=72

16x72=1152

your answer is 1152…!

Answer #5

2mn x 9mn [m=2 and n=4]

[2x2x4] x [9x2x4]

[SOLVE WHAT’S IN THE FIRST BRACKET] 2x2=4; 4x2=8 [SOLVE WHAT’S IN THE SECOND BRACKET] 9x2=18; 18x4=72

8x72=576

your answer is 576!!!

Answer #6

OHHH!!! I GOT A LiL MiXED UP!!! SORRY

Answer #7

mn = 2x4 = 8 on both sides of the equation. So,

2x8 x 9x8 = 16 x 72 = 1152

Answer #8

replace the m’s with 2 and the n’s with four [(2)(2)(4)] X [(9)(2)(4)]=?

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