Answer:
the second option is solution
Step-by-step explanation:
exponents inside parentheses get multiplied by exponents outside them
so first: x^-9y^6 divided by x^12y^18
next, when dividing like terms, keep variable and subtract their exponents
-9 - 12 = -21
6 - 18 = -12
Don't leave negative exponents as answer, simplify by putting them into the denominator (where the exponents will now become positive) with 1 as numerator
See how many times the denominator goes into the numerator. For example, with 24/8, 8 goes into 24 three times, so 24/8 is 3. If I had 25/8, then it would be 3 1/8 because you have one left over after you divide the 8 into 25.
.4 as a percentage is 40%
Answer:
16
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Hope this helps!!!!!!!!
Step-by-step explanation:
Remember 20% = 0.20 or 0.2
so 20% x 80 = 0.2 x 80 = 16
