Two distances are given: and

PHYSICS · Multi-part · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Two distances are given:

A = 4.2\times10^{11}\,\text{nm}

and

B = 3.5\times10^{2}\,\text{km}

. Perform the following tasks: (i) Convert

A

to kilometres and write the result in scientific notation. (ii) State which distance,

A

B

, is larger. (iii) By how many orders of magnitude does the larger distance exceed the smaller one?