luke1865 luke1865

31-10-2021
Mathematics

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Write these numbers as a product of prime factors, giving your answer in index form: a. 21 b. 128

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brookkahsu brookkahsu

31-10-2021

Answer:

128 = 2 x 2 x 2 x 2 x 2 x 2 x 2

Step-by-step explanation:

128 = 2 x 64

= 2 x (8 x 8)

= 2 x (2 x 2 x 2) x (2 x 2 x 2)

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