Question

1. mr. gonzales showed students part of the prime factorization of 90. one factor is missing.

\boxed{2 \cdot 3^2 \cdot \underline{quad}}
what number completes this prime factorization? \underline{quad}

Explanation:

Step1: Calculate given factors

$2 \cdot 3^2 = 2 \cdot 9 = 18$

Step2: Divide 90 by the result

$\frac{90}{18} = 5$

Step3: Verify 5 is prime

5 is a prime number, so it is the missing factor.

Answer:

5