#Question no. 1

a) Solution ‘a’

(5*4)^(4*5)-56
## [1] 1.048576e+26

b) Solution ‘b’

23-1*(8-12)
## [1] 27

c) Solution ‘c’

56/8*(3+4)
## [1] 49

d) Solution ‘d’

45-5*8+(8+9)
## [1] 22

#Question no. 2

a) Vector ‘a’

a <- c(2, 5, 6, 7)

b) Vector ‘b’

b <- c(1, 0, 9, 8)

c) Vector ‘c’

c <- c(6, 5, 8, 3)