Answer
Step by step text solution for Find the value of : (1/2)^-2+(1/3)^-2+(1/4)^-2 by MATHS experts to help you in doubts & scoring excellent marks in Class 8 exams.
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PSEB-EXPONENTS AND PWOERS -EXERCISE
- Find the value of : (3^@ + 4^(– 1)) xx 2^2
00:43
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- Find the value of : (2^-1 xx 4^(– 1)) -: 2^-2
01:09
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- Find the value of : (1/2)^-2+(1/3)^-2+(1/4)^-2
01:06
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- Find the value of : (3^-1 + 4^-1+5^-1)^@
00:57
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- Find the value of : {((-2)/3)^-2}^-2
01:18
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- Evaluate : (8^-1xx5^3)/(2^-4)
01:45
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- Evaluate : (5^-1xx2^-1)xx6^-1
01:26
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- Find the value of m for which 5^m-: 5^- 3 = 5^5
02:05
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- Evaluate : 1{(1/3)^-1-(1/4)^-1}^-1
01:33
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- Evaluate : (5/8)^-7xx(8/5)^-4
01:31
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- Simplify : (25xxt^-4)/(5^-3xx10xxt^-8)(t!=0)
02:19
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- Simplify : (3^-5xx10^-5xx125)/(5^-7xx6^-5)
03:26
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- Express the following numbers in standard form : 0.0000000000085
02:09
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- Express the following numbers in standard form : 0.00000000000942
02:05
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- Express the following numbers in standard form : 6020000000000000
02:05
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- Express the following numbers in standard form : 0.00000000837
03:04
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- Express the following numbers in standard form : 31860000000
02:50
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- Express the following numbers in usual form : 3.02 xx 10^- 6
01:55
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- Express the following numbers in usual form : 4.5 xx 10^4
00:50
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- Express the following numbers in usual form : 3 xx 10^-8
01:17
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