How do you write 28,900 in scientific notation? _____ × 10 ^ _____.

To write 28,900 in scientific notation, you need to express it as a number between 1 and 10 multiplied by a power of ten.

1. Move the decimal point in 28,900 to the left until you have a number between 1 and 10. In this case, moving the decimal point 4 places to the left gives you 2.89.
2. Since you moved the decimal point 4 places, you multiply by 10 raised to the power of 4.

So, 28,900 in scientific notation is:

2.89 × 10^4

This means that 2.89 multiplied by 10,000 (10^4) equals 28,900.