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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.
Give the name of the molecular shape of each of the following. (1 mark each) 1) silicon tetraiodide
An element have atomic weight 40 and it's electronic configuration is 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 6 . Then its atomic number and number of neutrons will be: (1) 18 and 22
why f block is out from periodic table
saltness analysis of inrganic premiliminary test
Consumer Oriented Product Development It is important that new product development strategies are adjusted to identified needs in the market. This requires an appropriate met
Redox systems in bioinorganic chemistry
Q. Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of degrees of freedom and give an example of
the atomic number of element represents
Amino acids Proteins are a class of biologically significant substance. They are important to virtually all processes in living systems. A few of acids are hormones that offer
WATER =1.3330 SEAWATER=1.33940 OIL=1.5204
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