Question

Question 115(iv)

Express each of the following in standard form:
The human body has 1 trillion of cells which vary in shapes and sizes.

Answer 1

Cells in a human body = 1 trillon
$\because 1trillon=1000000000000$

Standard form :
$1000000000000=1\times 1000000000000=1\times {10}^{12}$