Scientific Notation: Adding and Subtracting

Multiply the numbers. Add the exponents for the power of ten. Example: (3.0201 x 102)(2.0 x 101) = 6.0 x 103 (Use correct number of significant figures. Use correct scientific notation.) Note: If a power of ten is not expressed, it is understood to be 100, which equals 1. Thus, 4.0 is understood to be 4.0 x 100. DIVISION: Divide the numbers as in any division problem. Subtract the denominator ... ................
................