Answer:
1.301 × 10⁴ ft
Step-by-step explanation:
Difference = h₂ - h₁
Difference = 20 320 - 7310
Difference = 13 010 ft
To convert the number to scientific notation, we move the decimal point four places to the left and make the exponent of 10 equal to +4.
Difference = 1.301 × 10⁴ ft