Dina computed the Mass of 1,000 protons in grams. The calculator displayed the number 1.67E-21. What is the mass of 1,000 protons in scientific notation?
1.67×□grams
The mass of 1,000 protons is 1.67×10^-21 grams in scientific notation.
The mass of 1,000 protons can be expressed in scientific notation as 1.67×10^(-21) grams.
To express the mass of 1,000 protons in scientific notation, you need to move the decimal point to the right until there is only one digit to the left of the decimal point.
In the given number, 1.67E-21, the "E-21" part indicates that the decimal point should be moved 21 places to the left.
Starting from 1.67, move the decimal point 21 places to the right to get the scientific notation form:
1.67 × 10^-21 grams
So, the mass of 1,000 protons in scientific notation is 1.67 × 10^-21 grams.