Advertisements
Advertisements
Question
The value of `(-2/3)^4` is equal to ______.
Options
`16/81`
`81/16`
`(-16)/81`
`81/(-16)`
Advertisements
Solution
The value of `(-2/3)^4` is equal to `underlinebb(16/81)`.
Explanation:
Given, `((-2)/3)^4 = ((-2)/3) xx ((-2)/3) xx ((-2)/3) xx ((-2)/3)`
= `16/81` ...[For (– a)m, if m is even, then (– a)m is positive]
APPEARS IN
RELATED QUESTIONS
3–2 can be written as ______.
If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to ______.
The expression for 35 with a negative exponent is ______.
Solve the following:
`(1/2)^-2 ÷ (1/2)^-3`
Find the multiplicative inverse of (–7)–2 ÷ (90)–1.
What happens when 1 cm worms are sent through these hook-ups?
Find a single machine that will do the same job as the given hook-up.
a (× 599) machine followed by a (5–100) machine.
Find a single repeater machine that will do the same work as hook-up.
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
If a = – 1, b = 2, then find the value of the following:
ab + ba
