Significant figures

Identify the number of significant figures of 3.0800

(a)  

Identify the number of significant figures of 0.003005

(a)  

Write 1.0478 to 3 significant figures

(a)  

Write 3.07324 to 4 significant figures

(a)  

Write the number of significant figures have 4.5005 x 10^12

(a)  

Convert 4,642μm into millimetres

(a)  

Convert 85 cm into μm

(a)  

Convert 46.5 micrometres into nanometer

(a)  

The standard form of 0.00000008 is:

• 8 x 10⁸

• 8 x 10⁷

• 8 x 10⁹

• None of them

The standard form of 2,300 is

• 2.3 x 10⁴

• 2.3 x 10³

• 2.30 x 10²

• 2.3 x 10^-3