Step-by-step explanation:
oh, come on, just multiplication.
7.5×10⁴ years is 7.5×10000 =75000 years.
0.005 inches per year for 75000 years means
0.005 × 75000 = 5 × 75 = 375 inches.
Answer:
10t - 16
4(t + 2)+ 6(t - 4)
4t + 8 + 6t -24
its 100