Solve the problem. Express your answer in scientific notation, and round to one decimal place.
-In a state with a population of 7,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state?
A) $\$ 4.2 \times 10 ^ { 10 }$
B) $\$ 4.2 \times 10 ^ { 9 }$
C) $\$ 42 \times 10^{10}$
D) $\$ 42 \times 10 ^ { 11 }$

Question

Solve the problem. Express your answer in scientific notation, and round to one decimal place.
-In a state with a population of 7,000,000 people, the average citizen spends $6,000 on housing each year. What is the total spent on housing for the state? 
A) $\$ 4.2 \times 10 ^ { 10 }$
B) $\$ 4.2 \times 10 ^ { 9 }$
C) $\$ 42 \times 10^{10}$
D) $\$ 42 \times 10 ^ { 11 }$

Quizplus · Accepted Answer

The total spent on housing is calculated by multiplying the population (7,000,000) by the average spending per citizen ($6,000), which equals $42,000,000,000 or $4.2 	imes 10^{10} in scientific notation.

Solve the Problem $4.2×1010\$ 4.2 \times 10 ^ { 10 }$4.2×1010

Solve the Problem $\$ 4.2 \times 10 ^ { 10 }$