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5
log
2
x
+
3
log
2
z
5 \log _{2} x+3 \log _{2}z
5
lo
g
2
x
+
3
lo
g
2
z
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Math Problems
Algebra 1
Multiplication with rational exponents
Full solution
Q.
5
log
2
x
+
3
log
2
z
5 \log _{2} x+3 \log _{2}z
5
lo
g
2
x
+
3
lo
g
2
z
Combine logarithmic terms:
Combine the logarithmic terms using the properties of logarithms.
\newline
Calculation:
5
log
2
x
+
3
log
2
z
=
log
2
(
x
5
)
+
log
2
(
z
3
)
5\log_{2}x + 3\log_{2}z = \log_{2}(x^5) + \log_{2}(z^3)
5
lo
g
2
x
+
3
lo
g
2
z
=
lo
g
2
(
x
5
)
+
lo
g
2
(
z
3
)
Apply product rule:
Apply the product rule for logarithms,
log
b
(
a
)
+
log
b
(
c
)
=
log
b
(
a
c
)
\log_b(a) + \log_b(c) = \log_b(ac)
lo
g
b
(
a
)
+
lo
g
b
(
c
)
=
lo
g
b
(
a
c
)
.
\newline
Calculation:
log
2
(
x
5
)
+
log
2
(
z
3
)
=
log
2
(
x
5
⋅
z
3
)
\log_{2}(x^5) + \log_{2}(z^3) = \log_{2}(x^5 \cdot z^3)
lo
g
2
(
x
5
)
+
lo
g
2
(
z
3
)
=
lo
g
2
(
x
5
⋅
z
3
)
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A
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