Question

(o) Mass of a molecule of hydrogen gas is about 0.00000
(vi) Human body has 1 trillion of cells which vary in sha
(ii) The distance from the Earth to the Sun is 149,600,000
(ou) The speed of light is 300,000,000 m/sec.
(ix) Mass of the Earth is 5,970,000,000,000,000,000,000,000
(x) Express 3 years in seconds.
(xi) Express 7 hectares in cm2
(xii) A sugar factory has annual sales of 3 billion 720 mil
Compare the following:
*) Size of a plant cell to thickness of a piece of paper.
(ii) Size of plant cell to diameter of a wire on a compute
iii) Thickness of a piece of paper to diameter of a wire
Given size of plant cell = 0.00001275 m
Thickness of a piece of paper = 0.0016 c​

Answer 1

anshul said from a dangerous time in India that school officials had been involved with chalk and marker