An inch is approximately equal to 0.02543 metres. Write this distance in standard form
The planet Uranus is approximately 2,896,819,200,000 metres away from the Sun. What is this distance in standard form?
The cells of a bacteria double itself every hour. How many cells will
there be after 8 hours, if initially we start with 1 cell. Express the
answer in powers.
The cells of a bacteria double in every 30 minutes. A scientist begins
with a single cell. How many cells will be there after
(a) 12 hours (b) 24 hours
A new born bear weighs 4 kg. How many kilograms might a five year
old bear weigh if its weight increases by the power of 2 in 5 years?
The number of red blood cells per cubic millimetre of blood is approximately 5.5 million. If the average body contains 5 litres of blood, what is the total number of red cells in the body? Write the standard form. (1 litre = 1,00,000 mm3)
A sugar factory has annual sales of 3 billion 720 million kilograms
of sugar. Express this number in the standard form.
Special balances can weigh something as 0.00000001 gram. Express
this number in the standard form
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