Advertisements
Advertisements
प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
`(2^20 ÷ 2^15) xx 2^3`
योग
Advertisements
उत्तर
(220 ÷ 215) × 23
= `(2^(20 − 15))` × 23 ...(∵ am ÷ an = am − n)
= 25 × 23
= `2^(5 + 3)` ...(∵ am × an = am + n)
= 28
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Using laws of exponents, simplify and write the answer in exponential form:
`(5^2)^3 ÷ 5^3`
Simplify and express the following in exponential form:
`3^7/(3^4 xx 3^3)`
Simplify:
a6 ÷ a4
Find the value.
75 ÷ 73
Find the value.
47 ÷ 45
Solve: (−2)5 ÷ (−2)3
For a non-zero rational number x, x8 ÷ x2 is equal to ______.
For non-zero numbers a and b, `(a/b)^m ÷ (a/b)^n`, where m > n, is equal to ______.
`(5/8)^9 ÷ (5/8)^4 = (5/8)^4`
Find the value of:
77 ÷ 77
