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7521 in scientific notation = 7.521 x 103
12103.88
It is: 7.521*103
8000
To write 7521 in scientific notation, move the decimal so that only the first digit is in front of it: 7.521. The decimal was moved 3 places to the left, so you then multiply by 10^3. Final answer: 7.521 x 10^3