Answer:
B
Step-by-step explanation:
2.8*4.5
=12.6
12.6*6
=75.6
Answer:
7
Step-by-step explanation:
7^-1/7^-2=7
3)
(x/3)+(2/5)
(5x/15)+(6/15)
(5x+6)/15
4)
(2/x)+(3/7)
(14/7x)+(3x/7x)
(3x+14)/(7x)
5)
(x/2)+(1/3)+(x/4)
(6x/12)+(4/12)+(3x/12)
(9x+4)/12
I got it =4/5 hope it’s right
