3rd Quarter Benchmark Study Guide Extended

7.3 – Operations with Integers 1) When adding integers and the sign are the same, keep the sign. When adding integers and the signs are different, keep the sign of the bigger integer.

7.3 – Operations with Integers 2) Add the following integers: -4 + -12 = ____ -7 + 13 = ____ 10 + -17 = ____

7.3 – Operations with Integers 3) Subtract the following integers: 7 – (-2) = ____ -11 – 5 = ____ -9 – (-12) = ____

7.3 – Operations with Integers 4) When multiplying or dividing integers, if the signs are the same the answer is positive. When the signs are different, the answer is negative.

7.3 – Scientific Notation Write the following in scientific notation or standard form. 3,096,000 ___________________ 5,006 __________________ 0.000701 _________________

7.3 – Scientific Notation Write the following in scientific notation or standard form. d. 4.1 x 105 __________________ e. 1.89 x 103 __________________ f. 2.099 x 10-4 __________________