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 (5a^(6))x(-10ab^(2))x(-2.1a^(2)b^(3)) for a=1 and b=(1)/(2)

Find the value of (-2)times(-1) (a) 2 (b) -2 (c) -1 (d) 1

Find the values of a\ a n d\ b ,\ if\ (3a-2,\ b+3)=(2a-1,\ 3)dot

find the product of following (2/5a^2b)xx\ (-15 b^2a c)xx\ (-1/2c^2)

E v a l u a t e\ (2. 3 a^5b^2)xx(1. 2 a^2b^2)w h e n\ a=1\ a n d\ b=0. 5.

Find the value of (2.3a^(5)b^(2)) xx(1.2 a^(2)b^(2)) when a = 1 and b = 0.5

Find the value of (-2)^-5 times (-2)^6 is (a) 2 (b) -2 (c) -5 (d) 6

Find the value of ( 1 5/9 ) times ( -3 3/8 ) ÷ ( - 7 times 3/4 ) is ( a ) 1/2 ( b ) -1/2 ( c ) 1 ( d ) -1

Find the value of n : (2^(3)xx5^(n+1)xx10^(2)xx5^(n-1))/(125xx5^(n-2)xx2^(7))=(25)/(4)

If a= -1 and b= 2 find : a^(b) xx b^(a)