PA HW Week 2

Convert the number 0.000056 to scientific notation.

Tags

CCSS.8.EE.A.3

• 22 and 24

• 20 and 30

• 4 and 5

• 5 and 6

Tags

CCSS.8.NS.A.2

Which exponent will make this statement true?
10^? = 0.000001

• 6
• -6
• 7
• -7

Tags

CCSS.8.EE.A.3

Ms. Waites wrote the following values for powers of 10.
10² = 100
10³ = 1,000
10⁴ = 10,000
10⁵ = 100,000
Based on the pattern, which is equivalent to 100,000,000?

• 10²
• 10⁶
• 10⁷
• 10⁸

Tags

CCSS.5.NBT.A.2

10^-4

• 1/10 x 1/10 x 1/10 x 1/10

• -10 x -10 x -10 x -10

• -1/10 x -1/10 x -1/10 x -1/10

• 10 x 10 x 10 x 10

Tags

CCSS.8.EE.A.1

Which answer choice shows the correct fraction, decimal and percent of the shaded portion on the grid?

• 0.14, 14%, 14/10

• 0.14, 14%, 7/50

• 0.86, 86%, 86/10

• 0.86, 86%, 43/50

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

CCSS.5.NF.A.2

Write a percent to represent the shaded portion of the model. REMEMBER: Percent means per 100!

• 16%

• 42%

• 64%

• 80%

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.5

CCSS.5.NF.B.6

Place the following rational numbers in ascending order.

3 ¹/₂ , 0.192 , ¹²/₅ , 19%

• 3 ¹/₂ , ¹²/₅ , 0.192 , 19%

• ¹²/₅ , 0.192 , 19%, 3 ¹/₂

• 0.192 , 19%, ¹²/₅ , 3 ¹/₂

• 19% , 0.192 , ¹²/₅ , 3 ¹/₂

The half-life of Uranium is 2.5 x 10⁵ years. What is this in standard form?

• 2500000

• 250

• 25000

• 250000