Lemma
EasyExponents & roots
OpenStax, Algebra and Trigonometry 2e §1.2 Exponents and Scientific Notation · Example 13 · Arithmetic · Exponents & roots

Applying Scientific Notation to Solve Problems

In April 2014, the population of the United States was about 308,000,000 people. The national debt was about $17,547,000,000,000. Write each number in scientific notation, rounding figures to two decimal places, and find the amount of the debt per U.S. citizen. Write the answer in both scientific and standard notations.

~5 minWritten answer · check your work with Lemma

OpenStax, Algebra and Trigonometry 2e · §1.2 Exponents and Scientific Notation · Example 13

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Attach photos of your pages (up to 3) or one PDF — or check what you typed above. Lemma reads the work and verifies the reasoning, not just the answer.

Your first check today doesn't need an account.

Your photos and PDFs are read once and not stored — only the transcription is kept.