(10^4)^2 = 10^(4*2) = 10^8
1 metric ton = 10^8 = 100,000,000 grams.
I've never seen anything like this. The squares and placements.
but i believe its #1. -x + 1 = 2x + 3
45 seconds the difference from 7 45 to 8 is 15 plus another 30 to get 8:30 which is a 45 second difference
104km will = a 104,000 meters so it is a 104,000 meters