I need help on number 4 all of the stuff that’s highlighted in blue.

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

Using the first volume and temperature reading on the table as v1 and t1, solve for the unknown values in the table below. remember to use the rules of significant figures when entering your numeric response.