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Example 1.7 from Prealgebra, 1.1 Introduction to Whole Numbers
Introduction to Whole Numbers: example 1.7
A state budget was about billion. Write the budget in standard form.
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
Identify the periods. In this case, only two digits are given and they are in the billions period. To write the entire number, write zeros for all of the other periods.
So the budget was about
Your turn
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Write each number in standard form:
The closest distance from Earth to Mars is about million miles.
How did it go?