Advertisements
Advertisements
प्रश्न
Find x if `5 x/5 xx 3 3/4` = 21
बेरीज
Advertisements
उत्तर
`5 x/5 xx 3 3/4` = 21
`(25 + x)/5 xx 15/4` = 21
`(25 + x)/5 = 21 ÷ 15/4`
`(25 + x)/5 = 21 xx 4/15`
`(25 + x)/5 = 28/5`
25 + x = `(28 xx 5)/5`
25 + x = 28
x = 28 – 25
x = 3
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
Say true or false and justify your answer:
23 × 32 = 65
Express the following as a product of prime factors only in exponential form:
270
Simplify:
`(- 3/2)^5 xx (-3/2)^3`
By what number should (−4)−1 be multiplied so that the product becomes 10−1?
20 × 10000
Express the following in exponential form.
6 × 6 × 6 × 6
Simplify the following.
52 × 104
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?
