Question

Write 90 as a product of primes. Use index notation when giving your answer.​

Answer 1

90/2= 45
45/3= 15
15/3=5
5/5=1

90= 2*3*3*5 = 2*3 (raised to the power of 2) *5

Answer 2

90 =3 × 3 × 5 × 2.

Explanation:

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