Assessment 3: Scientific Notation

What is the number 0.00352 written in scientific notation?

• $3.52\times10^3$

• $3.52\times10^{-3}$

• $3.52\times10^4$

• $3.52\times10^{-4}$

Tags

CCSS.8.EE.A.3

What number represents 457,000,000 using scientific notation?

• $45.7\ \times10^7$

• $4.57\ \times10^{-7}$

• $4.57\ \times10^8$

• $4.57\ \times10^6$

Tags

CCSS.8.EE.A.3

The average ant weighs about  $1\ x\ 10^{-5}$  kilogram. What is  $1\ x\ 10^{-5}$  written in standard notation?

• 100,000

• 10,000

• 0.00001

• 0.0001

Tags

CCSS.8.EE.A.3

Write the number that is equivalent to  $3.82\ \times10^5$  .

• 382,000

• 0.0000382

• 0.000382

• 3,820,000

Tags

CCSS.8.EE.A.3

What is the value of t in the equation below?
 $38702\ =\ 3.8702\ \times10^t$  

• 5

• -5

• 4

• -4

Tags

CCSS.8.EE.A.3

If $0.0572342\ =\ 5.72342\ \times10^n$ , what is the value of n?

• 3

• -5

• -2

• 4

Tags

CCSS.8.EE.A.3

What is the value of  $5^{-2}$  ?

• 1/25

• 1/24

• 1/5

• 1/125

Tags

CCSS.8.EE.A.1

Which value is a simplified form (using a single exponent) of  $\frac{4^{5\ }}{4^{-5}}$  

•  $4^{25}$  

•  $4^{10}$  

• 4

• 1

Tags

CCSS.8.EE.A.1

Simplify (to a single exponent)  $5^{-4\ }\times5^5\times5$  

•  $5^1$  

•  $5^2$  

•  $125^{-8}$  

•  $125^3$  

Tags

CCSS.8.EE.A.1

 What is the simplified form of the expression (to the single exponent)?  $\left(2^6\right)^{2\ }\times2^{-5}$  

• 2

• 8

•  $2^7$  

•  $4^8$  

Tags

CCSS.8.EE.A.1