Answer:
(all in index form)
1. 2 x 5 x 3^2
2. 2^2 x 3^4
3. 2^2 x 3 x 11
Step-by-step explanation:
90 = 2, 45 - 5, 9 - 3, 3
324 = 2, 162 - 2, 81 - 9, 9 = 3, 3, 3, 3
132 = 2, 66 - 2, 33 - 3, 11
1. 2x3x3x5 or 2 x 3^2 x 5
2. 2^2 x 3^4 or 22x34
3. 2x2x3x11 or 11x12 or 11 2^2x3
Good luck!
