Indices

Express the following in index notation

 $3\times a\times a\times2\times b\times b\times b$  

•  $9a^2b^3$  

•  $6a^2b^3$  

•  $3a^6b^6$  

Find the value of

 $7^4-3^5$  

Find the value of

 $72^0$  

• 72

• 1

• 0

Rewrite with positive indices.

 $a^{-4}$  

•  $\frac{1}{a^4}$  

•  $\frac{4}{a}$  

•  $\frac{a}{4}$  

Find the value of

$72^0$

• 72

• 1

• 0

Rewrite with positive indices

 $7y^{-6}$  

•  $\frac{1}{7y^6}$  

•  $\frac{42}{y^6}$  

•  $\frac{7}{y^6}$