Advertisements
Advertisements
प्रश्न
The value of `(2/5)^-2` is ______.
पर्याय
`4/5`
`4/25`
`25/4`
`5/2`
MCQ
रिकाम्या जागा भरा
Advertisements
उत्तर
The value of `(2/5)^-2` is `underlinebb(25/4)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `(2/5)^-2 = 1/(2/5)^2`
= `1/(4/25)`
= `25/4`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Simplify :
(– 4)5 × (– 4)-10
Which of the following is equal to `(- 3/4)^-3`?
`((-7)/5)^-1` is equal to ______.
By multiplying (10)5 by (10)–10 we get ______.
The value of [1–2 + 2–2 + 3–2 ] × 62 is ______.
The value of 5–2 is equal to 25.
Find the value of x–3 if x = (100)1 – 4 ÷ (100)0.
Find the multiplicative inverse of (–7)–2 ÷ (90)–1.
Use the properties of exponents to verify that statement is true.
25(5n – 2) = 5n
Simplify:
`[(4/3)^-2 - (3/4)^2]^((-2))`
