Express the following numbers in standard form :
`0.000053`

Answer

To express the number `0.000053` in standard form, we follow these steps:

### Step-by-Step Solution:

1. **Identify the number**: We start with the number `0.000053`.

2. **Move the decimal point**: We need to move the decimal point to the right until we have a number between 1 and 10. In this case, we move the decimal point 4 places to the right to get `5.3`.

3. **Count the moves**: Since we moved the decimal point 4 places to the right, we will express this as a power of 10. The number of places we moved the decimal point will determine the exponent of 10.

4. **Determine the exponent**: Because we moved the decimal point to the right, the exponent will be negative. Therefore, we write the exponent as `-4`.

5. **Combine the results**: Now we can express `0.000053` in standard form as:
\[ 5.3 \times 10^{-5} \]

### Final Answer:
The standard form of `0.000053` is:
\[ 5.3 \times 10^{-5} \]