Which of the following can be used to compute `(34xx4 1/2)` ? `(30xx4)+(4xx4 1/2)` (b) `(34xx40)+(34xx1/2)` (c) `(30xx4 1/2)+(4xx4)` (d) `(34xx1/2)+(30xx4)+(4xx4)`

Evaluate (-1)/3 xx (1/2+1/4)xx((-1)/3 xx 1/2)+((-1)/3 xx 1/4)

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)

Perform the following multiplication a) 2/9 xx 7/8 xx 1/9 b) 1/3 xx 4/5 xx 1/4 c) 1/3 xx 2/4 xx 5/3 d) 1/2 xx 1/3 xx 1/4 e) 1/5 xx 2/5 xx 2/3 f) 2/3 xx 5/6 xx 1/4

1 (4)/(5) xx 2 (2)/(3) xx 3 (1)/(3) xx (1)/(4) =

[(1)/(1xx2)+(1)/(2xx3)+(1)/(3xx4)+,+(1)/(99xx100)]=

Multiply and express as a mixed fraction : (a) 3xx(5)(1)/(5) (b) 5xx(6)(3)/(4) (c) 7xx(2)(1)/(4) (d) 4xx(6)(1)/(3)( e) (3)(1)/(4)xx6( f )(3)(2)/(3)xx8

Find Value of:- 4+3 xx 4 +3 xx 4^(2) +3xx 4^(3) +3 xx 4^(4) +3 xx 4^(5) = ? (a) 5 xx 4^(5) (b) 9xx 4^(4) (c) 4^(6) (d) 10 xx 4^(4)

(iii) ((-7)/(18)xx x(15)/(-7))-(1xx1/4)+(1/2xx1/4)'

-4xx(-2){2xx(-6)+3xx2xx6-4-4}