They are both the same equations, the procedure to obtain x value will be equivalent.
1. The shop told the retailer 3.400
2. The children wrote 6.530 on their whiteboard
Answer:
the probability that he will not win is 2/5 cause it's just the chance that he doesn't win
It works because 7 x 9 x 10 is the same thing as 7 x 90, since 9 x 10 is just 90. So basically he is just writing more but the answer will still be the same.
