Unit 1 Assessment

Select the equivalent expression.





Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.

Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.


Express the number in scientific notation.

Find the value of the expression.





Solve the problem, press on "edit background" to show all your work.
What is the difference between the mass of Mars (0.642 x 1024 kg) and the mass of Mercury (3.3 x 1023 kg)?