(6.0x10^5)x(3.0x10^4)=

(5x10^-2) / (2x10^3)

(2.56x10^6)x(3.56x10^2)

in a recent year the population of califorina was about 2.52x10^7 people its land area is about 4.05x10^5 km^2 what was the average number of people per square kilometer.

Question

(6.0x10^5)x(3.0x10^4)=

(5x10^-2) / (2x10^3)

(2.56x10^6)x(3.56x10^2)

in a recent year the population of califorina was about 2.52x10^7 people its land area is about 4.05x10^5 km^2 what was the average number of people per square kilometer.

mathstudent55 · Answer

1. First multiply 6.0 by 3.0. What do you get?
Then multiply 10^5 by 10^4 (hint: add exponents). What do you get?

anonymous · Answer

1. 18 then 100,000x10,000=

mathstudent55 · Answer

18 is good.
For the powers of 10, leave it as a power of 10.
Use the rule $a^m \times a^n = a^{m + n} $

mathstudent55 · Answer

When you multiply tow powers with the same base, add the exponents.

mathstudent55 · Answer

For example:

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