https://file.aiquickdraw.com/mathbot/file/1725405032954zg95ol4f.jpg

Let's solve the questions from the image one by one.

### 1. Measurement
- **Given**: 25.4 millimeters
- **Task**: Write this number in scientific notation.
- **Solution**: 
  \[
  25.4 \text{ millimeters} = 2.54 \times 10^1 \text{ millimeters}
  \]

### 2. Population
- **Given**: Population of Rahway, New Jersey, was 26,500.
- **Task**: Write this number in scientific notation.
- **Solution**: 
  \[
  26,500 = 2.65 \times 10^4
  \]

### 3. Measurement
- **Given**: One nanometer is \(1.0 \times 10^{-9}\) meters.
- **Task**: Write this number in standard notation.
- **Solution**: 
  \[
  1.0 \times 10^{-9} \text{ meters} = 0.000000001 \text{ meters}
  \]

### 4. Physics
- **Given**: The speed of light is about \(1.86 \times 10^5\) miles per second.
- **Task**: Write this number in standard notation.
- **Solution**: 
  \[
  1.86 \times 10^5 \text{ miles per second} = 186,000 \text{ miles per second}
  \]

### 5. Computers
- **Given**: A CD can store about 650,000,000 bytes of data.
- **Task**: Write this number in scientific notation.
- **Solution**: 
  \[
  650,000,000 \text{ bytes} = 6.5 \times 10^8 \text{ bytes}
  \]

### 6. Space
- **Given**: The diameter of the Sun is about \(1.39 \times 10^9\) meters.
- **Task**: Write this number in standard notation.
- **Solution**: 
  \[
  1.39 \times 10^9 \text{ meters} = 1,390,000,000 \text{ meters}
  \]

### 7. Biology
- **Given**: The diameter of a certain virus is \(0.000000028\) meters.
- **Task**: Write this number in scientific notation.
- **Solution**: 
  \[
  0.000000028 \text{ meters} = 2.8 \times 10^{-8} \text{ meters}
  \]

### 8. Mass
- **Given**: The mass of planet Earth is about \(5.98 \times 10^{24}\) kilograms.
- **Task**: Write this number in standard notation.
- **Solution**: 
  \[
  5.98 \times 10^{24} \text{ kilograms} = 5,980,000,000,000,000,000,000,000 \text{ kilograms}
  \]

Would you like more details on any of these solutions, or do you have any questions?

Here are five related questions for further practice:
1. Convert \(3.45 \times 10^2\) to standard notation.
2. Write \(0.0000075\) in scientific notation.
3. What is \(6.022 \times 10^{23}\) written in standard notation?
4. Convert \(4.67 \times 10^{-3}\) to standard notation.
5. Write \(7,890,000\) in scientific notation.

**Tip**: Remember, scientific notation is especially useful for expressing very large or very small numbers in a more manageable form.

Convert numbers between scientific notation and standard notation, including measurements, population data, physics, and more.

Practice converting numbers between scientific notation and standard notation with these problems. Topics include measurement, population, physics, computers, space, biology, and mass, suitable for Grades 7-9.

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