The age of the universe is 1.4 x 10⁹ years or 4.4 x 10¹⁶ seconds.
Significant figures are used to establish the number which is presented in the form of digits.
14 billion years = 14,000,000,000 years
in two significant figure = 1.4 x 10⁹ years
1 year = 3.154 x 10⁷ seconds
1.4 x 10⁹ years = ?
= 1.4 x 10⁹ x 3.154 x 10⁷
= 4.4 x 10¹⁶ seconds
Thus, the age of the universe is 1.4 x 10⁹ years or 4.4 x 10¹⁶ seconds.
Learn more about age of universe here: https://brainly.com/question/13020244
#SPJ1
