Math 8 Lesson 5 Quiz Review

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Tags

CCSS.8.EE.A.3

Express the following in scientific notation:
.000457

• 457 x 10⁶
• 457 x 10^-6
• 4.57 x10⁴
• 4.57 x 10^-4

Tags

CCSS.8.EE.A.3

What is the simplified version of
 (5.2 x 10¹³) / (1.3 x 10^-7)

• 3.9 x 10⁶
• 4 x 10²⁰
• 4 x 10⁶
• 3.9 x 10²⁰

Tags

CCSS.8.EE.A.4

What is the simplified form of
(3.25 x 10³)(7.8 x 10⁶)

• 2.535 x 10¹⁰
• 2.535 x 10¹⁸
• 2.535 x 10¹⁹
• 2.535 x 10⁹

Tags

CCSS.8.EE.A.4

(9.21 x 10⁹) / (6 x 10⁴)

• 1.535 x 10¹³
• 55.26 x 10¹³
• 5.526 x 10¹⁴
• 1.535 x 10⁵

Tags

CCSS.8.EE.A.4

(6 x 10⁷) + (7 x 10⁸)

• 1.3 x 10⁹
• 7.6 x 10⁸
• 13 x 10¹⁵
• 7.6 x 10¹⁵

Tags

CCSS.8.EE.A.4

(9 x 10¹¹) – (6.4 x 10¹⁰)

• 2.6 x 10¹
• 8.36 x 10¹¹
• 2.6 x 10¹¹
• 8.36 x 10¹

Tags

CCSS.8.EE.A.4

The mean distance from the sun to Earth is 9.29 x 10⁷ miles. Jupiter's mean distance from the sun is 4.8388 x 10⁸ miles. What is the difference between these two distances in miles? 

• 4.3092 x 10¹
• 3.9098 x 10⁷
• 3.9098 x 10⁸
• 5.7678 x 10⁸

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.3

The US spends an average of 1.02x10⁴ dollars on each student per year.  There are about 7.6x10⁷ students in the US.  About how much money total is spent on students per year?

• 7.752 x 10¹¹
• 7.752 x 10²⁸
• 8.62 x 10¹¹
• 8.62 x 10²⁸

Tags

CCSS.6.EE.A.1

CCSS.6.NS.B.3

The distance from the sun to the Andromeda galaxy is 1.2 x 10¹⁹ miles. Light travels at a speed of 5.88 x 10¹² miles per year (called a light-year). How long does it take light from the sun to the Andromeda galaxy?

• 2.04 x 10⁶ years
• 2.04 x 10⁷ years
• 7.056 x 10²¹ years
• 7.056 x 10⁷ years

Tags

CCSS.8.EE.A.4