20 points- Help me please this is due today

Answer:
1.035 * 10^11
Step-by-step explanation:
That would be 7.14*10^10 + 3.21 * 10^10
= 10.35 * 10^10
Now convert to scientific form by dividing the first part by 10 and multiplying the exponential part by 10
= 1.035 * 10^11