Find the value of the following :
`2 3/7 ÷ ( -4 )`

Find the value of : 7^4

Find the values of the following 2^(7)-7^(2)

A. Find the values of the following. (1) 7-10/2

Find the value of each of the following: 13^2 (ii) 7^3 (iii) 3^4

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

Find the value of each of the following: (-7)^2 (ii) (-3)^4 (iii) (-5)^5

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 7 1/2=4/x