Asked by Tim
write equivalent expressions for x^7 ⋅ x^-2 and x^7 ÷ x^2.
What do you notice? Explain how your results relate to the properties of integer exponents.
THANK YOU!
What do you notice? Explain how your results relate to the properties of integer exponents.
THANK YOU!
Answers
Answered by
Damon
I am doing the second part first :)
x^a * x^b = x^(a+b)
and
x^-a = 1/x^a
therefore
x^7 * x^-2 = x^7/x^2 = x^5
or
x^7 * x^-2 = x^(7-2) = x^5
remarkable :)
x^7 / x^2 = x^7 * x^-2
which we already did :)
x^a * x^b = x^(a+b)
and
x^-a = 1/x^a
therefore
x^7 * x^-2 = x^7/x^2 = x^5
or
x^7 * x^-2 = x^(7-2) = x^5
remarkable :)
x^7 / x^2 = x^7 * x^-2
which we already did :)
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