1) Write 128 as a product of its prime factors?
2) Write 215 as a product of its prime factors?
Mathematics (F1)Help!!!
2011-07-13 4:14 am
回答 (2)
2011-07-13 4:39 am
✔ 最佳答案
您好，我是 lop****** ，高興能解答您的問題。Q : 1 ) Write 128 as a product of its prime factors?
A : 128 = 2 × 64 = 2 × 2 × 32 = 2 × 2 × 2 × 16 = 2 × 2 × 2 × 2 × 8 = 2 × 2 × 2 × 2 × 2 × 4 = 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2^7
Answer : 128 = 2^7 .
Q : 2) Write 215 as a product of its prime factors?
A : 215 = 5 × 43
Answer : 215 = 5 × 43 .
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2011-07-13 5:01 am
128 = 2 × 64 = 2 × 2 × 32 = 2 × 2 × 2 × 16 = 2 × 2 × 2 × 2 × 8 = 2 × 2 × 2 × 2 × 2 × 4 = 2 × 2 × 2 × 2 × 2 × 2 × 2 = 2^7
215=5x43
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