Hey there!
2 × 3^2 × 5
= 2 × 3 × 3 × 5
= 2 × 9 × 5
= 18 × 5
= 18 + 18 + 18 + 18 + 18
= 36 + 36 + 18
= 72 + 18
= 90
90: 2, 3, 3, & 5
Prime Facrorization of 90:
2 × 3 × 3 × 5
Thus, your answer is: 90
Good luck on your assignment & enjoy your day!
~Amphitrite1040:)