# Estimate the total solar PV production between 2000 and 2010.

Homework Set 15: Problem 10 Section 5.4, Problem 11 Section 5.4

Section 5.4: Problem 10 pg. 257

10. World annual natural gas consumption, N, in millions of metric tons of oil equivalent, is approximated by N= 1770 + 53t, where t is in years since 1990.

A. How much natural gas was consumed in 1990? In 2010?

B. Estimate the total amount of natural gas consumed during the 20-year period from 1990 to 2010?

11. Solar photovoltaic (PV) cells are the world's fastest growing energy source. Annual solar PV production, S, in megawatts is approximated by S = 277e0.368t , where t is in years since 2000. Estimate the total solar PV production between 2000 and 2010.

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#### Solution Preview

Problem #10

The model is N = 1770 + 53t, where N is in millions of metric tons of oil equivalent, t is in years since 1990.

(a) In the year 1990, t = 0, then N = 1770

In the year 2010, t = ...

#### Solution Summary

This solution helps estimate the total amount of natural gas consumed during the 20-year period from 1990 to 2010. Step by step calculations are provided.