[1] Write in scientific notation.
[2] Write in standard notation.
[3] Simplify.
[4] Simplify. (Your answer should use only positive
exp onents .)
[5] Write using fractional and/or negative exponents , and
simplify .
[6] Simplify. You may write your answers using either
radicals or fractional exponents .
[7] Rationalize the denominator , and simplify.
[8] Divide . Rationalize the denominator and simplify , if
possible.
[9] Divide. Write your answer using fractional exponents.
[10] Solve . Check your answers for full credit.
[11] Simplify. Write your answers using radicals.
[12] Find the distance between the points (-2,7) and
(-5,-2) .
[13] Find the equations of the following circles.
[a] center = (–4, –3), radius = 2
[b] center = (–2, 5), radius = 6
[14] Find the centers and radii of the following circles .
ANSWERS
[13] 
[14]
[a] center = (7, –4), radius = 5
[b] center = (6, 8), radius = 10
[a] center = (3, –4), radius = 7
[b] center = (–2, –5), radius =
