Hanya vs Ali

Number of significant figures in 9.005 -------

(a)  

Number of significant figures in 500.001

(a)  

Number of significant figures in 0.00456

(a)  

number of significant figures in 10.00-----

(a)  

Number of significant figures in 

 $45\times10^5$  

(a)  

Round of 12.3456 till 3 significant figures

(a)  

Round off 0.9953 till 2 significant figures

(a)  

Round off 3.546 till 2 significant figures

(a)  

the number 12.02 in scientific notation

• $1.202\times10^{ }$

• $1.202\times10^{-1}$

The number

 $800\times10^{-2}$  in scientific notation

• 8

• 0.8

•  $8\times10^0$