Question
Fully simplify and write your answer in exponential form with positive exponents only. Example: 153\frac{1}{5^3}
5
3
1
not 5−35^{-3}5
−3
.
y−2⋅y−6=y^{-2}\cdot y^{-6}=y
−2
⋅y
−6
=
5
3
1
not 5−35^{-3}5
−3
.
y−2⋅y−6=y^{-2}\cdot y^{-6}=y
−2
⋅y
−6
=
Answers
Answered by
GPT-4o mini
To simplify \( y^{-2} \cdot y^{-6} \), we can use the property of exponents that states when you multiply two powers with the same base, you add the exponents:
\[
y^{-2} \cdot y^{-6} = y^{-2 + (-6)} = y^{-8}
\]
Now, to express this in exponential form with positive exponents only, we can rewrite \( y^{-8} \) using the property that \( a^{-n} = \frac{1}{a^n} \):
\[
y^{-8} = \frac{1}{y^8}
\]
Thus, the fully simplified expression is:
\[
\frac{1}{y^8}
\]
\[
y^{-2} \cdot y^{-6} = y^{-2 + (-6)} = y^{-8}
\]
Now, to express this in exponential form with positive exponents only, we can rewrite \( y^{-8} \) using the property that \( a^{-n} = \frac{1}{a^n} \):
\[
y^{-8} = \frac{1}{y^8}
\]
Thus, the fully simplified expression is:
\[
\frac{1}{y^8}
\]
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