Lesson Example Discussion Quiz: Class Homework |
Step-2 |
Title: Scientific notations |
Grade: 6-b Lesson: S2-L8 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Convert 9200.75 into scientific notation. |
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2 |
Step |
Given number |
9200.75 |
3 |
Step |
Move the decimal point in the original number to the left of the first non-zero digit. |
|
4 |
Hint |
Count the number of decimal places moved. In this case, we moved the decimal point three places to the right. |
|
5 |
Step |
Now, express the number in scientific notation: |
9200.75 ⇒ \$9.20075×10^3\$ |
6 |
Step |
So, 9200.75 in scientific notation is \$9.20075×10^3\$, where the coefficient is 9.20075 and the exponent is 3. |
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7 |
Choice.A |
This answer is not correct because the scientific notation is \$9.20075×10^3\$, not \$9.1567×10^3\$ |
\$9.1567×10^3\$ |
8 |
Choice.B |
This answer is not correct because the scientific notation is \$9.20075×10^3\$, not \$9.20007×10^4\$ |
\$9.20007×10^4\$ |
9 |
Choice.C |
This answer is not correct because the scientific notations \$9.20075×10^3\$, not \$9.1000×10^4\$ |
\$9.1000×10^4\$ |
10 |
Choice.D |
This answer is correct because the scientific notation is \$9.20075×10^3\$. |
\$9.20075×10^3\$ |
11 |
Answer |
Option |
D |
12 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
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