Advertisements
Advertisements
प्रश्न
`10^-2 = 1/100`
पर्याय
True
False
उत्तर
This statement is True.
Explanation:
Using law of exponents, `a^-m = 1/a^m` ...[∵ a is non-zero integer]
∴ `10^-2 = 1/10^2`
= `1/(10 xx 10)` ...[∵ 102 = 10 × 10]
= `1/100`
APPEARS IN
संबंधित प्रश्न
For a non-zero integer x, (x4)–3 is equal to ______.
The value of (7–1 – 8–1) –1 – (3–1 – 4–1) –1 is ______.
The expression for 35 with a negative exponent is ______.
`a^m = 1/a^-m`
Simplify:
`(((-2)/3)^-2)^3 xx (1/3)^-4 xx 3^-1 xx 1/6`
Find a single machine that will do the same job as the given hook-up.
a (× 23) machine followed by (× 2–2) 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.
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
Find x.
`(2/5)^(2x + 6) xx (2/5)^3 = (2/5)^(x + 2)`
