`(-2)xx(-8)............(-8)xx(-2)`

Verify the following : (-14)xx(-8)=(-8)xx(-14)

Find the value of 1). (-3)+(-8)-:(-4)-2xx(-2) 2). (-3)xx(-4)-:(-2)+(-1)

State which is greater: (i) (8+9)xx10\ and\ 8+9xx10 (ii) (8-9)xx10\ and\ 8-9xx10 (iii) {(-2)-5}xx(-6) and (-2)-5xx(-6)

Find each of the following products: (i) (-2) xx36xx(-5) (ii) (-2)xx(-4)xx(-6)xx(-8)

Find the value of (-20)xx(-1)+(-28)-:7 (-2)+(-8)-:(-4)

The speed of light in water is ............... (2.25xx10^8//1.8xx10^8) m/s

Express each of the following in expontial notation: ((-8)/(3)) xx ((-8)/( 3)) xx ( (-8)/( 3)) xx ( (-8)/(3))

Simplify and write the answer in the exponential form. (i) (2^5 -: 2^8)^5 xx 2^(-5) (ii) (-4)^(-3) xx (5)^(-3) xx (-5)^(-3) (iii) 1/8 xx (3)^(-3) (iv) (-3)64 xx (5/3)^4

Simplify each of the following expression: (i) 8 xx (3+7) (ii) (7-2) xx (12+8) (iii) 23+9 xx (6-3)-20

Simplify and write the answer in exponential form. a. (4^(3)xx10^(5))/(2^(3)xx5^(4)) b. ((6^(4))^(4)xx5^(8)xxa^(6))/(9^(9)xx10^(6)) c. (15^(32)xx12^(15)xx54^(4))/(25^(12)xx18^(8)xx9^(2)) d. (8^(4)xx6^(4))/(2^(8)xx3^(3)) e. (8^(12)xx(9^(2))^(5)xx5^(6))/(6^(9)xx15^(4)) f. (21^(16)xx70^(8)xx36^(15))/(49^(4)xx15^(5)xx24^(6))