Scientific Notation

1.82 x 10^4

2.75 x 102.

5.7 x 10 -6

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0.00876 = 8.76*10-3

8.0 × 10-5

It is: 4.6*10-1

9.999 x 108 = 999,900,000

Scientific notation is a way to express numbers that are either very small or very large. In traditional notation the first kind would have a lot of 0s between the decimal point and the first significant figure whereas the second kind would have a large number of trailing 0s. The need for scientific notation arose from advances in various branches of science: atomic particles in physics or chemistry, astronomical or cosmological distances, size of single cell animals. Nowadays, even non-scientific values such as population, national debts (of some countries) could usefully utilize scientific notation.

1.22*105

150 can be written as 150.0. Then, move 2 decimal places to the left, and in scientific notation, we have:

1.5 x 102

0.000421g in Scientific Notation = 4.21 x 10-4 g

170.04 = 1.7*102

0.000345 in Scientific Notation = 3.45 x 10-4

11,802,000,000 in Scientific Notation = 1.1802 x 1010

4.85 x 10^5

4.4 x 10 ^ 3

It is 5.6*10^5 in scientific notation

It is 5.13*10^5 in scientific notation

The scientific notation of 0,0069 is 6,9.10e-3.
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1.59442 x 10^6

0.00332 can be written as 3.32 x 10-3 in scientific notation.

1100000 = 1.1x106

7.6 × 101

12104 = 1.2104*104

It is: 1.49*108