The U.S. national debt was in 2021 and
in 1971. Find how much the debt increased in the 50-
year period. (1 point)
$2.9617 × 10
13
$3.98 × 1
0^13
To find the increase in the national debt over the 50-year period, subtract the debt in 1971 from the debt in 2021:
$2.9617 × 10^13 - $3.98 × 10^12 = $2.9617 × 10^13 - $0.398 × 10^13 = $2.5617 × 10^13.
Therefore, the national debt increased by $2.5617 × 10^13 in the 50-year period.