(2 × 10^7) + (3 × 10^4)
= (2 × 10^7) + (0.003 × 10^7) . . . . make the exponents match
= (2 + 0.003) × 10^7
= 2.003 × 10^7
The appropriate choice is ...
... b. 2.003 × 10^7
Answer: Sue has 1 more brother than sisters
Step-by-step explanation:
1 garm = $50.04
7.5 gram = 50.04 × 7.5 = $375.3