12^3 / 12^7
Cancel out the common factor:
Multiply the numerator by 1:
12^3 * 1 / 12^7
Factor 12^3 out of the denominator to get:
12^3 * 1 / 12^3 * 12^4
Now cancel the common factor to get:
1/12^4
For the first question you need to find the formula for the rectangle, after you did that fill it in. and find your answer.
Peta has 10 plums. The second sentence is unnecessary.
