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Using Scientific Notation Quiz
Math 8A/Module 2

4. What is the quotient when [tex]7.01 \times 10^1[/tex] is divided by [tex]5.12 \times 10^2[/tex]? Round to the nearest hundredth, as needed.

A. [tex]1.37 \times 10^{12}[/tex]
B. [tex]1.37 \times 10^{2}[/tex]
C. [tex]1.89 \times 10^0[/tex]
D. [tex]1.213 \times 10^7[/tex]

Answer :

To solve the problem of finding the quotient of two numbers in scientific notation, follow these steps:

1. Start with the given numbers:
- The first number is [tex]\(7.01 \times 10^1\)[/tex].
- The second number is [tex]\(5.12 \times 10^5\)[/tex].

2. Divide the mantissas (the numbers in front):
- Calculate [tex]\(\frac{7.01}{5.12}\)[/tex].
- The result is approximately [tex]\(1.37\)[/tex].

3. Subtract the exponents:
- Subtract the exponent of the second number from the exponent of the first number:
- [tex]\(1 - 5 = -4\)[/tex].

4. Combine the results in scientific notation:
- The quotient is [tex]\(1.37 \times 10^{-4}\)[/tex].

Therefore, the quotient of [tex]\(7.01 \times 10^1\)[/tex] divided by [tex]\(5.12 \times 10^5\)[/tex], rounded to the nearest hundredth for the mantissa, is [tex]\(1.37 \times 10^{-4}\)[/tex].

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