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प्रश्न
Write the following number using positive indices.
`(2/7)^-2`
बेरीज
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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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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
(34)3
Simplify:
`((1/7)^-3)^4`
Simplify:
`(6^5)^4`
Solve for x: `(5^5 xx 5^(-4) xx 5^x)/(5^12)` = 5−5
If 2m – 1 + 2m + 1 = 640, then find m
Simplify and express the following in exponential form:
45 × 42 × 44
Which of the following is not equal to 1?
`(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^-`
34 > 43
Arrange in ascending order:
25, 33, 23 × 2, (33)2, 35, 40, 23 × 31
