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Standard VII
Mathematics
Exponents with Like Bases
Question
(
2
3
)
2
×
(
2
3
)
5
=
(
2
3
)
10
True
False
A
True
B
False
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Solution
Verified by Toppr
False.
L
H
S
=
(
2
3
)
2
×
(
2
3
)
5
Using law of exponents,
a
m
×
a
n
=
a
m
+
n
Therefore,
(
2
3
)
2
×
(
2
3
)
5
=
(
2
3
)
2
+
5
=
(
2
3
)
7
L
H
S
≠
R
H
S
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Similar Questions
Q1
(
2
3
)
2
×
(
2
3
)
5
=
(
2
3
)
10
View Solution
Q2
Question 59
(
7
3
)
2
×
(
7
3
)
5
=
(
7
3
)
10
View Solution
Q3
If
2
10
+
2
9
⋅
3
1
+
2
8
⋅
3
2
+
⋯
+
2
⋅
3
9
+
3
10
=
S
−
2
11
,
then
S
is equal to:
View Solution
Q4
Find:
2
3
+
3
3
2
+
2
3
3
+
3
3
4
+
2
3
5
+
3
3
6
+
.
.
.
.
to infinity.
View Solution
Q5
Simplify:
(i)
(
−
4
)
5
÷
(
−
4
)
8
(ii)
(
1
2
3
)
2
(iii)
(
−
3
)
4
×
(
5
3
)
4
(iv)
(
2
3
)
5
×
(
3
4
)
2
×
(
1
5
)
2
(v)
(
3
−
7
÷
3
10
)
×
3
−
5
(vi)
2
6
×
3
2
×
2
3
×
3
7
2
8
×
3
6
(vii)
y
a
−
b
×
y
b
−
c
×
y
c
−
a
View Solution