anonymous
  • anonymous
Give the prime factorization of each number, using exponents where appropriate. 140 144 147
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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jim_thompson5910
  • jim_thompson5910
What is 140 divided by 2?
anonymous
  • anonymous
70?
jim_thompson5910
  • jim_thompson5910
What is 70 divided by 2

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anonymous
  • anonymous
35
jim_thompson5910
  • jim_thompson5910
Then we can divide 35 by 5 to get 7 So doing all this gives us this factor tree |dw:1357595996931:dw|
jim_thompson5910
  • jim_thompson5910
Notice how each branch multiplies to a number above it (eg: 2 and 35 below multiply to 70 above the two)
jim_thompson5910
  • jim_thompson5910
From here, circle all the prime numbers |dw:1357596297032:dw|
jim_thompson5910
  • jim_thompson5910
Then multiply them out to get 2*2*5*7 Because the twos occur twice, we can rewrite it to get \[\Large 2^2*5*7\] So in the end, \[\Large 140 = 2^2*5*7\]
anonymous
  • anonymous
Cool! Thank you! :)
jim_thompson5910
  • jim_thompson5910
yw
anonymous
  • anonymous
:D:D
jim_thompson5910
  • jim_thompson5910
so do you know how to do the others given this one?

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