Chapter 1, Problem 1P

The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this in powers of 10 in (a) years, (b) seconds.

To determine

The age of the universe is thought to be about 11 billion years. Assuming two significant figures, write this in the power of 10 in:Years

Answer to Problem 1P

Solution:

  $\begin{array}{l}\text{11 billion years = 11,000,000,000 years}\hfill \\ \text{11 billion years = 1}{\text{.1 ×10}}^{\text{10}}\text{years}\hfill \end{array}$

Explanation of Solution

Given:

The age of the universe is thought to be about 11 billion years

To determine

The age of the universe is thought to be about 11 billion years. Assuming two significant figures, write this in the power of 10 in:Seconds

Answer to Problem 1P

Solution:

  $\text{3}\text{.4 }\times {\text{ 10}}^{\text{17}}\text{seconds}$

Explanation of Solution

Given:

The age of the universe is thought to be about 11 billion years