Advertisements
Advertisements
प्रश्न
Evaluate: 54 × 53 ÷ 55
Advertisements
उत्तर
54 × 53 ÷ 55
Recall the laws of exponents:
am × an = am + n, and `a^m/a^n = a^(m-n)`
54 × 53 = 54 + 3 = 57
`57/55 = 57-5=52`
52
= 25
APPEARS IN
संबंधित प्रश्न
Evaluate: 54 ÷ 53 x 55
Simplify, giving Solution with positive index
x2y3. 6x5y. 9x3y4
Simplify, giving Solution with positive index
(−y2) (−y3)
Simplify, giving Solution with positive index
(-3)2 (3)3
Simplify, giving Solution with positive index
x2a +7. x2a-8
Simplify, giving Solution with positive index
3y. 32. 3-4
Simplify, giving Solution with positive index
(4x2y3)3 ÷ (3x2y3)3
Simplify, giving a Solution with a positive index.
`(1/"2x")^3 xx (6"x")^2`
Simplify and express the Solution in the positive exponent form:
`((2^3)^5 xx 5^4)/(4^3 xx 5^2)`
Simplify and express the Solution in the positive exponent form:
`("a"^-7 xx "b"^-7 xx "c"^5 xx "d"^4)/("a"^3 xx "b"^-5 xx "c"^-3 xx "d"^8)`
