Advertisements
Advertisements
प्रश्न
The value of `1/4^-2` is ______.
विकल्प
16
8
`1/16`
`1/8`
Advertisements
उत्तर
The value of `1/4^-2` is 16.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `1/4^-2 = 1/(1/4^2)`
= `1/(1/16)`
= 1 × 16
= 16
APPEARS IN
संबंधित प्रश्न
35 ÷ 3–6 can be simplified as ______.
Simplify:
`(49 xx z^-3)/(7^-3 xx 10 xx z^-5) (z ≠ 0)`
Find the value of x so that (2–1 + 4–1 + 6–1 + 8–1)x = 1
Find a single repeater machine that will do the same work as hook-up.

Find a single repeater machine that will do the same work as hook-up.

If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use (× 1) machines.

The diameter of the Sun is 1.4 × 109 m and the diameter of the Earth is 1.2756 × 107 m. Compare their diameters by division.
By what number should (–15)–1 be divided so that the quotient may be equal to (–5)–1?
By what number should (–8)–3 be multiplied so that the product may be equal to (–6)–3?
Simplify:
`(4/13)^4 xx (13/7)^2 xx (7/4)^3`
