`(ii) (-1) xx(-2)^3 (v) (-5)^2 xx (2)^4 `

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

For the fractions given below : (a) Multiply and reduce the product to lowest form (if possible) (b) Tell whether the fraction obtained is proper or improper. (c) If the fraction obtained is improper then convert it into a mixed fraction. (i) 2/5 xx (5) 1/4 (ii) (6) 2/5 xx 7/9 (iii) 3/2 xx (5) 1/3 (iv) 5/6 xx (2) 3/7 (v) (3) 2/5 xx 4/7 (vi) (2) 3/5 xx 3 (vii) (2) 3/5 xx 3 (viii) (3) 4/7 xx 3/5

i) 2/3 xx (2) 2/3 (ii) 2/7 xx 7/9 (iii) 3/8 xx 6/4 (iv) 9/5 xx 3/5 (v) 1/3 xx (15)/8 (vi) (11)/2 xx 3/(10) (vii) 4/5 xx (12)/7

Find the products : (i) (-2) xx 3 xx (-4) " " (ii) 2 xx (-5) xx (-6) " " (iii) (-8) xx 3 xx 5 (iv) 8 xx 7 xx (-10) " " (v) (-3) xx (-7) xx (-6)

Find the product: (i) (9)/(2)xx((-7)/(4)) (ii) (3)/(10)xx(-9)( iii) (-6)/(5)xx(9)/(11) (iv) (3)/(7)xx((-2)/(5))( v) (3)/(-5)xx(-5)/(3)

Evaluate: (i) ((5)/(9)) ^(-2) xx ((3)/(5)) ^(-3) xx ((3)/(5)) ^(0) (ii) ((-3)/(5)) ^(-4) xx ((-2)/(5))^(2) (iii) ((-2)/(3)) ^(-3) xx ((-2)/(3)) ^(-2)

(3/2 xx (-7)/4) - ((-5)/2 xx 3/4)

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

Name the property of multiplication shown by each of the following statements: (i) (-12)/(5) xx (3)/(4)=(3)/(4)xx (-12)/(5) (ii) (-8)/(15) xx 1=(-8)/(15) (iii) ((-2)/(3) xx (7)/(8)) xx (-5)/(7) = (-2)/(3) xx ((7)/(8) xx (-5)/(7)) (iv) (-2)/(3) xx 0=0 (v) (2)/(5) xx ((-4)/(5) +(-3)/(10)) = ((2)/(5) xx (-4)/(5)) +((2)/(5)xx (-3)/(10))