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Byju's Answer
Standard VII
Mathematics
a^m / b^m = (a/b)^m
Question 20Th...
Question
Question 20
The value of
(
256
)
0.16
×
(
256
)
0.09
is
A) 4
B) 16
C) 64
D) 256.25
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Solution
The answer is A.
(
256
)
0.16
×
(
256
)
0.09
=
(
256
)
16
100
×
(
256
)
9
100
(
256
)
16
100
+
9
100
[
∵
x
a
.
x
b
=
x
a
+
b
]
=
(
256
25
100
)
=
(
256
)
1
4
=
(
4
4
)
1
4
=
4
[
∵
(
a
m
)
n
=
a
m
n
]
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Similar questions
Q.
Question 20
The value of
(
256
)
0.16
×
(
256
)
0.09
is
A) 4
B) 16
C) 64
D) 256.25
Q.
(256)
0.16
× (256)
0.09
(a) 4
(b) 16
(c) 64
(d) 256.25