`(3/2)^(-1) xx (3/2)^(-1) xx (3/2)^(-1) xx (3/2)^(-1)`

Simplify (i) {(1/3)^(-2) - (1/2)^(-3)} -: (1/4)^(-2). (ii) (5/8)^(-7) xx (8/5)^(-5).

(-2)xx(-3)xx(-1)xx(-1)

Evaluate each of the following: (i)\ (2/(11))^4\ xx\ \ ((11)/3)^2\ xx\ \ (3/2)^3 (ii)\ (1/2)^5\ xx\ ((-2)/3)^4xx\ (3/5)^(-1)

(-1)xx(-2)xx(-3)xx(-4)

(-1)xx(-2)xx(-3)xx(-4)

(-1)xx(-2)xx(-3)xx(-4)

Simplify : (4^(-1)xx\ 3^(-1))^2 (ii) (5^(-1)-:6^(-1))^3 (iii) (2^(-1)+\ 3^(-1))^(-1) (iv) (3^(-1)xx\ 4^(-1))^(-1)xx\ 5^(-1)

Find each of the following products: (a) 3 xx (-1) (b) (-1) xx 225 (c) (-21) xx (-30) (d) (-316) xx (-1) (e) (-15 xx 0 xx (-18) (f) (-12) xx (-11) xx (10) (g) 9 xx (-3) xx (-6) (h) (-18) xx (-5) xx (-4) (i) (-1) xx (-2) xx (-3) xx 4 (j) (-3) xx (-6) xx (-2) xx (-1)

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

Evaluate (i) (8^-1 xx 5^3)/(2^-4) (ii) (5^-1 xx 2^-1) xx 6^-1