The number '7' is located in the hundreds place. Since there is a number '8' next to it, it's telling that number to go up
7,782 ⇒ 7,800
2. 992,449 The number '9' is located in the hundred thousands place. Since there is another '9' next to it, it's telling that number to go up 992,449 ⇒ 1,000,000