Working with decimals

Solve: $6.8\ \div\ 40$  

• 0.17

• 5.88

• 1.7

• 0.59

Where does the decimal belong?  $56.68\ \div\ 0.08\ =\ 7085$  

• 0.7085

• 7.085

• 70.85

• 708.5

Convert to a percent:  $\frac{30}{100}$  

• 3%

• 30%

• 0.3%

• 300%

Convert to percent: 0.25

• 0.25%

• 2.5%

• 25%

• 250%

What is the correct order of operations?

• Add and Subtract, Multiply and Divide, Exponents, Parenthesis

• Exponents, Parenthesis, Multiply and Divide, Add and Subtract

• Parenthesis, Multiply and Divide, Exponents, Add and Subtract

• Parenthesis, Exponents, Multiply and Divide, Add and Subtract

What is our first step?  $28\div4-\left(4+3\right)$  

• Add 4 and 3

• Divide 28 and 4

• Subtract 4 and 4

• Distribute the negative

Solve:  $3^2+1-\left(18-9\right)$  

• -1

• 1

• -17

• 17

Write in exponential form:  $81,\ base\ 3$  

•  $9^2$  

•  $3^3$  

•  $9^9$  

•  $3^4$  

Write in expanded form:  $4^5$  

•  $4\times4\times4\times4\times4$  

•  $5\times5\times5\times5$  

• 1,024

•  $4\times5$  

512 is divisible by:

• 2

• 3

• 4

• 8