Question

Choose the correct simplification of the expression a to the 9th power times b to the 10th power all over a to the 2nd power times b to the 7th power.

Answer 1

a^9 * b ^10
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a^2 * b ^7

When you are dividing, then the powers are subtracted Top first, bottom second.
a^(9 - 2) b^(10 - 7)
a^7 b^3