Thank you for the opportunity to help you with your question!
a) 1 Trillion KWatt= 10^12 KWatt
1 Terra watt=10^9 Kwatt
4 Trillion KWatt= 4*10^3 Terra Watt.
b) From wind power 4 Trillion Kwat*.035
=4*10^3*.035 Terra Watt
=4*1000*.035 Terra Watt;
What does ^ this mean to do ?
Also, why did you multiply by 0.035?
.035 comes from 3.5% in the question
Why did you multiply 10 x9 in part a?
1 Terra Watt=10^9 Kwatt
And 1 trillion Kwatt =10^12 KWatt
So 4 Trillion Kwatt=4*10^12 KWatt=4*10^3*10^9 Kwatt=4*10^3 Terrwatt [As 10 ^9 KWatt=1 Terrawatt.
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