What’s 7.6x10^3 in standard form

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Don't know how to find x given these segment lengths

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.