Write True or False -
`12 xx ((14)/(7)) = (12 xx 14)//12xx7`

2/5 xx (-3)/7 + 1/(14) xx 2/5

(1/4 xx 2/7)- ( 5/(14) xx 2/3)

2/5 xx (-3)/7 - 1/14 -3/7xx 3/5

Name the law of multiplication illustrated by the statement, (-15)/(8) xx (-12)/(7) = (-12)/(7) xx (-15)/(8) .

19 xx 12 + 19 = 19 xx (12 + _____)

Express the following expressions in its lowest terms. ((12)/(5) xx (3)/(4)) +((12)/(5)xx (7)/(2))

The ratio of C^(14) to C^(12) in a living matter is measured to be (C_(14))/(C_(12)) =1.3 xx 10^(-12) at the present time Activity of 12.0gm carabon sample is 180 dpm. The half life of C^(14) is nearly _______ xx 10^(12) sec . [Given : N_(A)=6 xx 10^(23) ]

(3)/(5)xx(-(12)/(7))xx(15)/(2)xx(49)/(24)

The value of x for which ((7)/(12)) ^(-4) xx ((7)/(12))^(3x) = ((7)/(12))^(5) is