add 2.8 * 10^5 + 15,300

3 answers

285,300
in scientific notation
2.8 * 10^5 can also be written as 280,000 in standard form.

Adding this to 15,300 in standard form, we get:

280,000 + 15,300 = 295,300

In scientific notation, this would be:

2.953 * 10^5