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प्रश्न
Write the following number using positive indices.
`(2/7)^-2`
योग
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उत्तर
It is known that `"a"^-"m" = 1/"a"^"m"` where m is an integer and a is a non-zero rational number.
`(2/7)^-2`
`= 1/(2/7)^2`
`= (7/2)^2`
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
(34)3
Simplify:
`((1/7)^-3)^4`
Simplify:
`(3^4)^-2`
Simplify:
`((2/5)^-2)^-3`
Simplify:
`[(6/7)^5]^2`
Simplify:
`[(3/4)^6]^1`
Using the power rule, (37)−2 = 35
240 + 240 is equal to
Which of the following is not equal to `((-5)/4)^4`?
`(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^-`
