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Perform the following operation and express the answer in correct scientific notation.

[tex]\[
3.14 \times 10^{-2} \div 2.65 \times 10^{-7} = [?] \times 10^{[?]}
\][/tex]

Sagot :

To solve the problem [tex]\(\frac{3.14 \times 10^{-2}}{2.65 \times 10^{-7}}\)[/tex] and express the answer in scientific notation, we can follow these steps:

1. Write the division in fractional form:
[tex]\[ \frac{3.14 \times 10^{-2}}{2.65 \times 10^{-7}} \][/tex]

2. Separate the coefficients and the powers of 10:
[tex]\[ = \frac{3.14}{2.65} \times \frac{10^{-2}}{10^{-7}} \][/tex]

3. Divide the coefficients:
[tex]\[ \frac{3.14}{2.65} \approx 1.18 \][/tex]

4. Subtract the exponents in the powers of 10:
[tex]\[ 10^{-2 - (-7)} = 10^{-2 + 7} = 10^{5} \][/tex]

5. Combine the coefficient and the power of 10:
[tex]\[ 1.18 \times 10^{5} \][/tex]

Thus, the answer in correct scientific notation is:
[tex]\[ 1.18 \times 10^{5} \][/tex]