In 2013, New York City (NYC) and Los Angeles (LA) has the highest populations of any cities in the United States. NYC’s populati

Question

3 years ago

11

on was about 8.1 × 10^6 and LA’s population was about 3.8 × 10^6. What is the population of these two cities combined written in scientific notation?

1 answer:

inna [77] · Answer 1 · 2022-06-13T09:48:37+03:00

The population of these two cities combined in scientific notation is 11.9 x $10^{6}$

Step-by-step explanation:

1a. Population of NYC is 8.1 x $10^{6}$

1b. Population of LA is 3.8 x $10^{6}$

2.To find total population of the two cities combined,

2a. Add population of NYC and LA

Total population = NYC's population + LA's population

Total population = (8.1 x $10^{6}$ ) + (3.8 x $10^{6}$ )

2b. Take $10^{6}$ common

Total population = $10^{6}$ * (8.1 + 3.8)

Total population = $10^{6}$ * 11.9

Therefore, the population of these two cities combined in scientific notation is 11.9 x $10^{6}$

Keyword: Scientific notation

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