The U.S. national debt was $2.9617x10^13 in 2021 and $3.98x10^11 in 1971. Find how much the debt increased in the 50-year period
To find the increase in the national debt in the 50-year period, we subtract the debt in 1971 from the debt in 2021.
$2.9617x10^13 - $3.98x10^11 = $2.9617x10^13 - $0.398x10^13
= $2.92372x10^13