Advertisements
Advertisements
प्रश्न
By what number should (−4)−1 be multiplied so that the product becomes 10−1?
पर्याय
`2/3`
`(-2)/5`
`5/2`
`(-5)/2`
MCQ
Advertisements
उत्तर
`(-2)/5`
Explanation;
Hint:
(−4)−1 = `(-1/4)^1`
= `(-1)/4`
10−1 = `(1/10)^1`
= `1/10`
`(-1)/4 xx x = 1/10`
x = `(-4)/10`
= `(-2)/5`
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
7x × 72
Simplify and express the following in exponential form:
`(2^3 xx 3^4 xx 4)/(3 xx 32)`
Say true or false and justify your answer:
30 = (1000)0
Simplify:
`(4/5)^2 div (5/4)`
Solve: (-3)2 × (-3)3.
The value of (14 × 21)0 is _______________
am × an is equal to ______.
`(-2)^31 xx (-2)^13 = (-2)^-`.
`(11/15)^4 xx (_)^5 = (11/15)^9`
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?
