3.Find the value of `(5^0 +4^-1) times 2^2`

Find the value of. (i) (3^@+4^(-1)) xx 2^2 (ii) (2^(-1)xx 4^(-1))-: 2^(-1) (iii) (1/2)^-2 + (1/3)^-2 + (1/4)^-2 (iv) (3^-1 + 4^-1+ 5^(-1))^0 (v) {((-2)/3)^-2}^2

Find the value of (5a^6)\ xx\ (-10 a b^2)\ xx\ (-2. 1 a^2b^3)\ for \ a=1\ a n d\ b=1/2dot

Find the value of (5x^6)xx\ (-1. 5 x^2y^3)xx(-12 x y^2)\ when \ x=1, y=0. 5.

Find the value of the (5^(4)xx7^(5))/(5^(2)xx7^(4))

Find the value of : 1/2 p^(2) xx 4p^(2)q xx(-3 p)

Find the value of the (-2)^(3)xx5^(2)

Find the value of a, ( a ne integer ) if : 2^(a-5) xx 6^(2a-4) = (1)/( 12^(4) xx 2)

Factorise xy^(2) - xz^(2) , Hence, find the value of : (ii) 40 xx 5.5^(2) - 40 xx 4.5^(2)

Find the value of 1) . (-15)+4-:(5-3) 2) . (-40)xx(-1)+(-28)-:7

If x = 2 and y = 1, Find the value of (-4x^(2)y^(3)) xx (-5x^(2)y^(5)) .