If the public debt in 2006 was $6,783,231,062,743.62 and the budget for 2007 was in deficit by $595,821,633,586.70, what was the public
debt in 2007? (Include commas.)

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.