1 million in Scientific Notation = 1 x 106
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1,000,000
To write 8,436 in scientific notation, you first move the decimal point to the left until there is only one non-zero digit to its left. This gives you 8.436. Next, you determine how many places you moved the decimal point, which is 3 places to the left. Finally, you express the number as 8.436 x 10^3 in scientific notation.
To write 67.5 billion in scientific notation, we first need to move the decimal point to the right so that there is only one non-zero digit to the left of the decimal point. In this case, we would move the decimal point 10 places to the right, resulting in 6.75. Next, we express this number as a product of a number between 1 and 10 and a power of 10. Therefore, 67.5 billion in scientific notation is 6.75 x 10^10.
1.2 X 10 -4 That one is.
When you add numbers in scientific notation, it is best to convert them to their original decimal form, or at least change them so that they have the same exponent. Then when you are finished adding, simply put the solution is proper scientific notation.