Find the value of each of the following: `((-1)/2)^2xx2^3xx(3/4)^2` (ii) `((-3)/5)^4xx(4/9)^4xx((-15)/(18))^2`

Evaluate each of the following products: (-1)xx(-2)xx(-3)xx(-4)xx(-5) (-3) xx(-6)xx(-9)xx(-12)

Express the following as a rational number: (1/2)^3xx((-3)/5)^3xx((-4)/9)^2

Find the sum to n terms of the series: 1xx2xx3+2xx3xx4+3xx4xx5+.

Simplify and express each of the following in exponential form: (i) (2^(3)xx3^(4)xx4)/(3xx32) (ii) (5^(2))^(3)xx5^(4)5^(7)

Simplify: (-2)^3xx(-10)^3 (ii) (-2)^4xx(-5)^2

Simplify and write each of the following in exponential from: (2^8xxa^5)/(4^3xxa^3) (ii) (2^3xx3^4xx4)/(3xx32)

Compute the following (i) 2xx6!-3xx5! (ii) 3xx4!+7xx4!

Find each of the following products: i 3xx4xx(-5) ii 2xx(-5)xx(-6) iii (-5)xx(-8)xx(-3) iv (-6)xx6xx(-10) v 7xx(-8)xx3 vi (-7)xx(-3)xx4

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 (-3)+(-8)-:(-4)-2xx(-2) (-3)xx(-4)-:(-2)+(-1)