Answer:
[tex]\large\boxed{\large\boxed{3\times 10^8meters}}[/tex]
Explanation:
One of the applications of scientific notation is to make estimations rounding the whole part of the numbers, i.e. the digits before the decimal point, to the nearest integer, and adding the exponents of the powers of base 10.
Here, you must estimate this product of two numbers written is scientific notation:
[tex](3.21\times 10^3)(1.13\times 10^5)[/tex]
Then, for an estimation you round 3.21 to 3 and 1.13 to 1, then multiply 3 × 1 = 3. That will be the coefficient of your new power of 10.
The power or exponent will be the sum of the powers of the numbers that are being multiplied, i.e. 3 + 5 = 8.
And the result is [tex]3\times 10^8[/tex]
The unit is meters, so you write your answer as: [tex]3\times 10^8meters[/tex]
