Advertisements
Advertisements
Question
Evaluate: `(1/2)^(-5)`
Sum
Advertisements
Solution
`(1/2)^(-5) = (1^(-5))/(2^(-5))`
= `1/(2^(-5))`
= 25
= 2 × 2 × 2 × 2 × 2
= 32
shaalaa.com
Is there an error in this question or solution?
Chapter 1: Numbers - Exercise 1.6 [Page 45]
APPEARS IN
RELATED QUESTIONS
Express the following as a product of prime factors only in exponential form:
270
Simplify:
(−11)5 × (−11)2
Express the following numbers using exponential form.
343
Simplify the following.
52 × 104
If 21998 – 21997 – 21996 + 21995 = k.21995, then the value of k is ______.
`a^6 xx a^5 xx a^0 = a^-`
10 × 01 = 1
xm × ym = (x × y)2m, where x and y are non-zero rational numbers and m is a positive integer.
Find m so that `(2/9)^3 xx (2/9)^6 = (2/9)^(2m - 1)`
A googol is the number 1 followed by 100 zeroes.
- How is a googol written as a power?
- How is a googol times a googol written as a power?
