Rational numbers & exponents

Write the fraction as a decimal.

 $\frac{7}{8}$  

Write the mixed number as a decimal.  $2\frac{16}{25}$ 

 $-1\frac{2}{9}$  

Write the mixed number as a decimal.

• -0.2

• -12.9

•  $-0.\overline{2}$  

•  $-1.\overline{2}$  

 $6\frac{2}{3}$  

Write the fraction as a mixed number

• 6.6

•  $6.\overline{6}$  

• 62.3

• 6.23

Write the decimal as a fraction. 0.8

 $0.\overline{1}$  

Write the decimal as a fraction.

 $8\cdot8\cdot8\cdot8\cdot8$  

Write the expression using exponents. 

•  $8^4$  

•  $8^5$  

•  $5^8$  

•  $4^8$  

 $5\cdot5\cdot9\cdot9\cdot5\cdot9\cdot5\cdot5$  

Write the expression using exponents.

•  $5^5\cdot9^3$  

•  $5^4\cdot9^3$  

•  $5^5\cdot3^9$  

•  $4^4\cdot3^9$  

 $\left(-3\right)^5$  

Evaluate.

 $a^2+b^2$  

Evaluate. a = 5 and b = -4