Advertisements
Advertisements
Question
Find the value of (23)2.
Sum
Solution
(23)2
= 26 .....[∵ (am)n = amn]
= 64
shaalaa.com
Laws of Exponents
Is there an error in this question or solution?
RELATED QUESTIONS
Simplify :
`( a + b )^(-1) . ( a^(-1) + b^(-1) )`
Simplify :
`( 3x^2 )^(-3) xx ( x^9 )^(2/3)`
Evaluate:
`(27/8)^(2/3) - (1/4)^-2 + 5^0`
Simplify the following and express with positive index :
`(3^-4/2^-8)^(1/4)`
If 2160 = 2a. 3b. 5c, find a, b and c. Hence calculate the value of 3a x 2-b x 5-c.
If 1960 = 2a. 5b. 7c, calculate the value of 2-a. 7b. 5-c.
Show that :
`( a^m/a^-n)^( m - n ) xx (a^n/a^-l)^( n - l) xx (a^l/a^-m)^( l - m ) = 1`
If a = xm + n. yl ; b = xn + l. ym and c = xl + m. yn,
Prove that : am - n. bn - l. cl - m = 1
Evaluate the following: `(2^3)^2`
`[(3/7)^-3]^4` = ______
