To convert the number 0.00035 into scientific notation, you can express it as a number between 1 and 10 multiplied by a power of 10.
- Move the decimal point in 0.00035 to the right until you have a number between 1 and 10. This gives you 3.5.
- Count how many places you moved the decimal. In this case, you moved it 4 places to the right.
- Since you moved the decimal to the right, the exponent will be negative.
Thus, 0.00035 in scientific notation is:
\[ 3.5 \times 10^{-4} \]
Using the ^ symbol to indicate the exponent, it can be written as:
3.5 × 10^-4