When you do the multiplication you can notice that 10, 20, 30, 40 all have 0's at the end.
So that means 10 *20*30*40 = 1*2*3*4*10000 = 24*10000 = 240,000
Good day ~_~ /////////////
Answer:
5 i think. im not good at math. sorry if wrong
He didn't follow the order the instructions were given to him
The Right expression is:
x-3x10-13
