Download 8.2.1 Exponents and Scientific Notation (day #2) Homework Name

8.2.1 Exponents and Scientific Notation (day #2)
Homework
Name: _________________________________________________________ Date:
____________________ Period: __________
Work through each of the problems below to practice the concepts from
today’s lesson and review concepts from previous lessons. Then review AND
FIX work your work using the class website. Be sure to always show all work!
8-53. Which number is greater, 3.56 × 104 or 1.9 × 106. Show and explain how you know.
8-54. Write the following numbers in scientific notation.
a. 370,000,000
b. 7,600
8-55. Simplify each expression.
a. 65
b.
c. (2 + 3)4
d.
8-56. Consider the equation 7 = 3x − 5.
a. Stanley wants to start solving the equation by adding 5 to both sides, while Terrence
first wants to subtract 7 from both sides. Will both strategies work? Is one strategy
more efficient than the other?
b. Solve 7 = 3x − 5. Show your steps.
8-57. Examine the table below.
a. What is the rule for the table?
b. Explain the strategy you used to find the rule.
8-58. Graph the equation y = −2x2 − 4x. Start by making an x → y table. Be sure to include
negative values for x. Is this graph linear or non-linear?