|
38,800 3,880 To change a number in scientific notation to standard form, reverse the process. Move the decimal to make is larger if the exponent is positive. Move the decimal to make it smaller if the exponent is negative. Remember a negative exponent is a faction/decimal.
3.88 x 102 becomes 388 because the decimal moved two places to make it a larger number.
3.88 x 101 becomes... 388 38.8 38,800 3,880 Answer for #1 3.88 x 101 becomes... 38.8 because the decimal moved only one place larger (positive exponent).
2) 3.88 x 104 becomes... 388 38.8 289,000,000 289,000 Answer for #2 3.88 x 104 becomes... 38,800 because the decimal moved four places larger (positive exponent).
3) 2.89 x 106 2,890,000 28,900,000 2.89 x 108 289,000,000 289,000 2,890,000 28,900,000 289,000,000 289,000 2.89 x 106 2,890,000 28,900,000 289,000,000 289,000 2.89 x 105 2,890,000 28,900,000 0.00289 2890 2.89 x 10-3 0.289 0.0289 0.00289 2890 2.89 x 10-1 0.289 0.0289 0.00289 2890 2.89 x 10-2 0.289 0.0289 0.00289 2890 2.89 x 103 0.289 0.0289 |