Advertisements
Advertisements
प्रश्न
Write the following number using positive indices.
`(2/7)^-2`
योग
Advertisements
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`
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Simplify:
`[(15/12)^3]^4`
Simplify:
`(6^5)^4`
Write the following numbers using positive indices.
(y)−4
Solve: `(7^(- 2))^(-5)`
Solve for x: `(2^(2x - 1))/(2^(x + 2))` = 4
Solve for x: `(5^5 xx 5^(-4) xx 5^x)/(5^12)` = 5−5
Which of the following is not equal to `((-5)/4)^4`?
`[(7/11)^3]^4 = (7/11)^-`
(–3)4 = –12
Arrange in descending order:
22+3, (22)3, 2 × 22, `3^5/3^2`, 32 × 30, 23 × 52
