The U.S. national debt was $2.9617×1013 in 2021 and $3.98×1011 in 1971. Find how much the debt increased in the 50-year period. (1 point) Responses $3.0015×1013 3.0015 dollars times 10 superscript 13 baseline $2.9219×1011 2.9219 dollars times 10 superscript 11 baseline $2.9219×1013 2.9219 dollars times 10 superscript 13 baseline $1.0183×1024
To find how much the U.S. national debt increased in the 50-year period, we subtract the debt in 1971 from the debt in 2021:
$2.9617×10^13 - $3.98×10^11 = $2.9219×10^13
Therefore, the debt increased by $2.9219×10^13. The correct response is:
$2.9219×10^13