Evaluate the following: `(3/7)^(-5)xx(7/6)^(-4)`

Evaluate the following: 6(-4)-2[(-7+5)+(-3)-5]

Calculate the following a. (6.7 xx 10^(5)) xx (4.6 xx 10^(4)) b. (7.6 xx 10^(7)) xx (3.8 xx 10^(-4)) c. (6.8 xx 10^(-3)) xx (5.2 xx 10^(-4)) d. (6.7 xx 10^(5)) / (4.6 xx 10^(4)) e. (7.6 xx 10^(7)) / (3.8 xx 10^(-4)) f. (6.8 xx 10^(-3)) / (3.8 xx 10^(-4)) g. 7.65 xx 10^(2) + 2.72 xx 10^(3) h. 7.87 xx 10^(-4) - 2.61 xx 10^(-5)

Evaluate the following expression. (24 -: 6) xx 4+ 7 xx 5 - 6

Find the value of * in the following 1(2)/(3)-:(2)/(7)xx(.)/(7)=1(1)/(4)xx(2)/(3)-:(1)/(6)(a)0.006 (b) (1)/(6)(c)0.6(d)6

Find the value of each of the following: ( i ) 8^(@) ( ii ) (-3)^(@) ( iii ) 4^(@)+5^(@) ( iv ) 6^(@) xx 7^(@)

Verify the following:- (ii) (-15)/(4)times((3)/(7)+(-12)/(5))=((-15)/(4)times(3)/(7))+((-15)/(4)times(-12)/(5)) .

Find the value of x in the following: 1 2/3-:2/7xx x/7=1 1/4xx2/3-:1/6

Verify the following: (i) 3/7 times (5/6 + 12/13) = (3/7 times 5/6) + (3/7 times 12/13)

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