Advertisements
Advertisements
प्रश्न
Solve the following:
`(1/2)^-2 ÷ (1/2)^-3`
बेरीज
Advertisements
उत्तर
`(1/2)^-2 ÷ (1/2)^-3`
Using am ÷ an = am – n
`\implies (1/2)^(-2 - (-3))`
= `(1/2)^(-2 + 3)`
= `1/2`
= 2–1
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 8: Exponents and Powers - Exercise [पृष्ठ २५७]
APPEARS IN
संबंधित प्रश्न
If x be any integer different from zero and m be any positive integer, then x–m is equal to ______.
`(3/4)^5 ÷ (5/3)^5` is equal to ______.
On dividing 85 by ______ we get 8.
(–5)–2 × (–5)–3 = (–5)–6
`x^m/y^m = (y/x)^-m`
Solve the following:
100–10
Find the value of x–3 if x = (100)1 – 4 ÷ (100)0.
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
