Step-by-step explanation:
1)ab-c
=2(3)-4
=6-4
=2
2)6c-2b
=6(4)-2(3)
=24-6
=18
3)a+b-c+5
=2+3-4+5
=10-4
=6
5)7c-2a
=7(4)-2(2)
=28-4
=24
X/58.65 = 15/100
(58.65*15)/100 = tip
Answer:
6.8
Step-by-step explanation:
Using a scientific calculator:
= 6.782329983
Rounding of the answer to nearest tenth gives:
= 6.8
Answer:
13x10^15
Step-by-step explanation:
8+5 = 13
6+9 = 15