logan13
  • logan13
Which is equal to 42 • 48? A. 416 B. 410 C. 46 D. 4−6
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
What is the dot?
Haseeb96
  • Haseeb96
just multiply 43 with 48 and get your answer her dot show multiplication sign
thadyoung
  • thadyoung
You can't do this on your calculator? Like, really?

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anonymous
  • anonymous
@thadyoung XDDD
thadyoung
  • thadyoung
If you don't have one: http://www.online-calculator.com/
anonymous
  • anonymous
But if you multiply those numbers then it doesn't equal any of those answers
phi
  • phi
I assume you mean 4^2 * 4^8 that is 4 times itself 10 times
anonymous
  • anonymous
The answer to the multiplication isn't one of the options, so it must be something else.
logan13
  • logan13
@phi yes
phi
  • phi
do you now that \[ 4^2 = 4\cdot 4 \] ? and \[ 4^8 = 4 \cdot 4\cdot 4\cdot 4\cdot 4\cdot 4\cdot 4\cdot 4\] do you see that putting a little 8 in the upper right is short-hand for multiplying 4 times itself 8 times?
phi
  • phi
so the answer is \[ 4^2 \cdot 4^8 \\ = 4 \cdot 4\cdot 4\cdot 4\cdot 4\cdot 4\cdot 4\cdot 4 \cdot 4 \cdot 4\]
logan13
  • logan13
so c
phi
  • phi
I posted the answer. count the number of 4's how many are there being multiplied together?
logan13
  • logan13
d

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