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[tex]\[
\frac{\left(3.0 \times 10^4\right)}{\left(4.0 \times 10^8\right)}
\][/tex]

What is the result when you divide the coefficients?

[tex]\[
3.0 \div 4.0 = [?]
\][/tex]

A. 75
B. 0.075
C. 7.5
D. 0.75


Sagot :

Alright, let's solve the expression step-by-step.

The problem we are given is:

[tex]\[ \frac{\left(3.0 \times 10^4\right)}{\left(4.0 \times 10^8\right)} \][/tex]

First, decompose the expression into two parts: the numerical coefficients and the powers of 10.

1. The numerical coefficient part is:
[tex]\[ \frac{3.0}{4.0} \][/tex]

2. The powers of 10 part is:
[tex]\[ \frac{10^4}{10^8} \][/tex]

You will want to handle each part separately.

Step 1: Divide the numerical coefficients:

[tex]\[ \frac{3.0}{4.0} \][/tex]

This division gives:

[tex]\[ 0.75 \][/tex]

Step 2: Divide the powers of 10:

[tex]\[ \frac{10^4}{10^8} \][/tex]

Using the exponent rule for division, [tex]\(a^{m} / a^{n} = a^{m-n}\)[/tex]:

[tex]\[ 10^{4-8} = 10^{-4} \][/tex]

Step 3: Combine the results from steps 1 and 2:

Multiplying the results obtained from the numerical part and the power of 10 part:

[tex]\[ 0.75 \times 10^{-4} \][/tex]

This is the final value when the original expression is simplified.

However, for the specific problem question asking for the division of the coefficients only:

[tex]\[ 3.0 \div 4.0 = 0.75 \][/tex]

So, the correct answer to the question "What is the result when you divide the coefficients?" is:

[tex]\[ 0.75 \][/tex]