Question

A) Express as product of prime factors.
1) 72 2) 45 3) 90
4) 66 5) 91 6) 93 7) 81 8) 120​

Answer 1

1) 72 = 2×2×2×3×3

2) 45= 5 x 3 x 3

3) 90 = 2 × 3 × 3 × 5

4) 66 = 2 x 3 x 11

5) 91 = 7 x 13

6) 93 = 3 x 31

7) 81= 3 x 3 x 3 x 3

8) 120= 2 x 2 x 2 x 3 x 5

Answer 2

Answer:

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Step-by-step explanation:

Prime factorization of 45: 3² × 5

Prime factorization of 66: 2 × 3 × 11

Prime factorization of 72: 2³ × 3²

Prime factorization of 81: 3 4

Prime factorization of 91: 7 × 13

Prime factorization of 90: 2 × 3² × 5

Prime factorization of 93: 3 × 31

Prime factorization of 120: 2³ × 3 × 5