Advertisements
Advertisements
प्रश्न
(–9)3 ÷ (–9)8 is equal to ______.
विकल्प
(9)5
(9)–5
(– 9)5
(– 9)–5
उत्तर
(–9)3 ÷ (–9)8 is equal to (– 9)–5.
Explanation:
Given, (–9)3 ÷ (–9)8
Using law of exponents, am ÷ an = (a)m – n ...[∵ A is non-zero integer]
∴ (–9)3 ÷ (–9)8 = (–9)3 – 8
= (–9)–5
APPEARS IN
संबंधित प्रश्न
Simplify and write the answer in the exponential form.
(25 ÷ 28)5 × 2-5
The value of 35 ÷ 3–6 is ______.
If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to ______.
`(2/3)^-2 xx (2/3)^-5 = (2/3)^10`
(–2)0 = 2
Simplify:
`(1/4)^-2 + (1/2)^-2 + (1/3)^-2`
Find the value of x so that (–2)3 × (–2)–6 = (–2)2x – 1
Find a single machine that will do the same job as the given hook-up.
a (× 24) machine followed by `(xx (1/2)^2)` machine.
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 left column of the chart lists the lengths of input chains of gold. Repeater machines are listed across the top. The other entries are the outputs you get when you send the input chain from that row through the repeater machine from that column. Copy and complete the chart.
| Input Length | Repeater Machine | ||
| × 23 | |||
| 40 | 125 | ||
| 2 | |||
| 162 | |||
