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Byju's Answer
Standard IX
Mathematics
Laws of Exponents for Real Numbers
Evaluate 81/4...
Question
Evaluate
(
81
49
)
−
3
2
Open in App
Solution
(
81
49
)
−
3
2
=
(
49
81
)
3
2
=
(
7
2
9
2
)
3
2
=
[
(
7
9
)
2
]
3
2
=
(
7
9
)
3
=
343
729
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129
Similar questions
Q.
Evaluate:
(
16
81
)
−
3
4
×
(
49
9
)
3
2
÷
(
343
216
)
2
3
Q.
Evaluate
(
16
81
)
−
3
4
×
(
49
9
)
3
2
+
(
343
216
)
2
3
Q.
Evaluate:
(
81
16
)
−
3
4
×
⎡
⎣
(
25
9
)
−
3
2
÷
(
5
9
)
−
3
⎤
⎦
Q.
Evaluate:
(i) (25)
3/2
(ii) (32)
2/5
(iii) (81)
3/4
Q.
Evaluate
8
1
3
+
l
o
g
2
(
121
)
1
3
.
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