For the first one, it’s 1.2*10^9
For the second one, it’s 2*10^6
Answer:
20 x 19 = 380 hands touched
380/2 = 190 handshakes
Step-by-step explanation:
13.2962963 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
4x-9=2x+5
4x-2x=9+5
2x=14
divide both sides by 2
x=7
11*11 = 121
5*5 = 25
121-25 = 96
square root 96 = 9.79795897113
