Advertisements
Advertisements
Question
3–2 can be written as ______.
Options
32
`1/3^2`
`1/3^-2`
`- 2/3`
Advertisements
Solution
3–2 can be written as `underlinebb(1/3^2)`.
Explanation:
Using law of exponents,
`a^-m = 1/a^m` ...[∵ a is non-zero integer]
So, we can write `3^-2` as `1/3^2`.
APPEARS IN
RELATED QUESTIONS
If x be any non-zero integer and m, n be negative integers, then xm × xn is equal to ______.
50 = 5
am × bm = (ab)m
If `(5^m xx 5^3 xx 5^-2)/5^-5 = 5^12`, find m.
An electron’s mass is approximately 9.1093826 × 10–31 kilograms. What is this mass in grams?
Use the properties of exponents to verify that statement is true.
`4^(n - 1) = 1/4(4)^n`
Use the properties of exponents to verify that statement is true.
25(5n – 2) = 5n
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 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.
