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Q. Example to show scientific notation?
Solve the following problem.
2.45 *1014 kg + 4.00 * 1012 kg
First articulate both quantities to the same power of ten. Either quantity is able to be changed. For instance you might change 2.45 * 1014 to 245 * 1012. Then add the quantities 245* 1012 kg + 4.00 * 1012 kg * 249 *1012 kg. Write the concluding answer in scientific notation: 2.49 * 1014 kg.
Multiplying and dividing using scientific notation while multiplying or dividing quantities written in scientific notation the quantities don't have to have the same exponent. For multiplication- multiply the first factors then add the exponents and for division- divide the first factors then subtract the exponents.
properties and uses of pyrogallol
In Bohr's model, atomic radius of the first orbit is γ the radius of the 3rd orbit, is: (1) γ/ 3 (2)γ (3) 3γ (4) 9γ Ans: 9γ
Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is: (1) 4 Π mr 2 / nh (2) nh/ 4Π 2 mr (3) nh/ 4Π 2 mr 2
Assainment of liquefaction of gases in degree 2 nd sem
Determine the purpose of Quenching Quenching is most generally used to harden steel by introducing martensite, in which case steel should be rapidly cooled through its eutect
20.0 mL of 0.2 M CaCl 2 diluted with water to 100.0 mL. Calculate [CaCl 2 ], [Ca 2+ ] and [Cl - ]. Produce from concentrated hydrochloric acid (12 M) 3.0 L 0.60 M HCl solution.
the periodic table
what are magnetism in d block?
Q. Show Anomalous Behaviour of Oxygen? Oxygen differs considerably from the rest of the family members. Small size, very high electronegativity and non-availability of d-orbita
what can be formed by sodium reacting with epsum salt
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