The average human heart beats about 3.5×107 times per year. The current population of Massachusetts is about 7×106 people. About how many heartbeats occur in Massachusetts per year? Write the answer in scientific notation. Express the answer to the exact decimal place.(1 point)
To calculate the total number of heartbeats that occur in Massachusetts per year, we need to multiply the average number of heartbeats per year by the current population of Massachusetts.
Heartbeats in Massachusetts per year = Average heartbeats per year * Population of Massachusetts
Heartbeats in Massachusetts per year = 3.5 × 10^7 * 7 × 10^6
To multiply these numbers in scientific notation, we add the exponents and multiply the coefficients:
Heartbeats in Massachusetts per year = (3.5 * 7) × (10^7 * 10^6)
Heartbeats in Massachusetts per year = 24.5 × 10^13
The answer in scientific notation is 2.45 × 10^14 heartbeats per year in Massachusetts.
To find the total number of heartbeats in Massachusetts per year, we can multiply the average number of heartbeats per person per year by the population of Massachusetts.
The average human heart beats about 3.5 × 10^7 times per year.
The current population of Massachusetts is about 7 × 10^6 people.
To find the total number of heartbeats in Massachusetts per year, we multiply these two numbers:
3.5 × 10^7 times/year * 7 × 10^6 people = (3.5 * 7) × (10^7 * 10^6) times/year
= 24.5 × (10^7 * 10^6) times/year
= 24.5 × 10^(7+6) times/year
= 24.5 × 10^13 times/year
Therefore, about 2.45 × 10^14 heartbeats occur in Massachusetts per year.
To find out how many heartbeats occur in Massachusetts per year, we need to multiply the average number of heartbeats per year by the population of Massachusetts.
Average number of heartbeats per year = 3.5 × 10^7
Population of Massachusetts = 7 × 10^6
To multiply these two values, we multiply the coefficients (3.5 × 7) and sum the exponents of 10 (7 + 6):
3.5 × 7 = 24.5
10^7 × 10^6 = 10^(7 + 6) = 10^13
Therefore, the total number of heartbeats in Massachusetts per year can be expressed in scientific notation as 2.45 × 10^13.