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Using exponents write the prime factorization of :

42 , 120, 48, and 63


answers ONLY easier for you!!
help fast pleaseeeeeeeeeeeeeeee!!!!!!! Thanksss Ill give the correct answer great feedback!!! help :-)

2007-12-03 09:40:11 · 6 answers · asked by Anonymous in Science & Mathematics Mathematics

6 answers

42 = 2 x 3 x 7
120 = 2^3 x 3 x 5
48 = 2^3 x 3
63 = 3^2 x 7

I guess the feedback to the first person will be, you type really fast and know how to do something that I don't.

I would suggest asking for the *method* to solve these problems rather than just the *answers* otherwise you will never learn how to do them yourself.

Factorization can be done several ways. If you'd like me to explain the methods I will, but if you want to give best answer to the fastest person with just the answers, then by all means, go ahead.

2007-12-03 09:43:54 · answer #1 · answered by Puzzling 7 · 0 0

42 = 2 x 3 x 7

120 = 2 x 2 x 2 x 3 x 5

= 2^3 x 3 x 5

48 = 2 x 2 x 2 x 2 x 3

= 2^4 x 3

63 = 3 x 3 x 7

= 3^2 x 7

Hope this helps, Twiggy.

2007-12-03 09:45:15 · answer #2 · answered by Twiggy 7 · 0 0

42 = 2 * 21 = 2 * 3 * 7

120 = 2 * 60 = 2 * 2 * 30 = 2 * 2 * 2 * 15 = 2 * 2 * 2 * 3 * 5 = 2^3 * 3 * 5

48 = 2 * 24 = 2 * 2 * 12 = 2 * 2 * 2 * 6 = 2 * 2 * 2 * 2 * 3 = 2^4 * 3

63 = 3 * 21 = 3 * 3 * 7 = 3^2 * 7

2007-12-03 09:43:48 · answer #3 · answered by PeterT 5 · 0 0

42 = 2 * 3 * 7
120 = 2^3 * 3 * 5
48 = 2^4 * 3
63 = 3^2 * 7

2007-12-03 09:43:16 · answer #4 · answered by lithiumdeuteride 7 · 0 0

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2016-12-30 11:34:18 · answer #5 · answered by kerley 3 · 0 0

42
/ \
2 21
. ./ \
. 3 7

42 = (2)(3)(7)

120
. / \
. 2 60
. . ./ \
. . 2 30
. . . ./ \
. . . 2 15
. . . . ./ \
. . . . 3 5

120 = (2^3)(3)(5)

Develop the others in a similar fashion

2007-12-03 09:45:24 · answer #6 · answered by Anonymous · 0 0

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