Question

The value of the expression -2xy for x = -4.7 and y = 0.2 is _____.
a)-18.8
b)18.8
c)1.88
d)-1.88

Answer 1

substitute x = =4.7 and y = 0.2

=> -2(=4.7)(0.2)

Answer 2

that's -4.7 not =4.7

Answer 3

thanks!!!