Name
Quiz 2: Scientific Notation
September 20, 2019
Instructions: Attempt every question. To earn full credit, you must justify all answers by
showing your algebraic strategies or giving a short-answer response.
Standard: 8.EE.A.1
1. Look at the simplified expressions below. Tell whether each statement is true or false. Explain why.
(𝟔𝟑 )𝟓 = 𝟔𝟏𝟓
2. Alisha says that (−𝟓)−𝟐 will be a negative number because the exponent is negative. Do you agree?
Use what you know about exponential expressions to justify your argument.
3. Write the following expressions, 𝒙𝟓 , 𝒙−𝟑 , 𝒙𝟐 , 𝒙𝟎 , in order from least to greatest, if x is greater than
Explain why.
Standard: 8.EE.A.3
4. Write the following number in scientific notation.
510, 600, 000, 000
Name
Quiz 2: Scientific Notation
September 20, 2019
5. Look at the simplified expressions below. Tell whether each statement is true or false. Explain
why.
6.
BONUS: Simplify the following expression in scientific notation.
360
0.0025
×
0.00009 1 × 103