Question

How do you write 2000000000000 in scientific notation?

Answer 1

`2.0xx10^(12)`

Explanation:

Write as `2000000000000.0`
`color(white)("dddddddddddddddd.d")uarr`
`color(white)("dddddddddd")"my added decimal point"`

The objective in this case is to have:

`color(white)("dddddd") 2."something decimals"xx10^("some number")`
`color(white)("dddddd")uarr`
New decimal point position

If we count all the 0's between the 2 and to the decimal point I inserted, you have a count of `color(red)("twelve 0's")`

`color(white)("d")ubrace(2."something decimals")xx10^(color(red)("some number"))`
`color(white)("ddddddd.d") 2.0color(white)("ddddddd.")xx10^(color(red)(12))`