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Q72.

Expert-verified
Found in: Page 226

### Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

# A common number used for calculations in chemistry is Avogadro’s number, which is approximately equal to $6.02×{10}^{23}$. Write this number in standard form.

The standard form of Avogadro’s number is $602,000,000,000,000,000,000,000$.

See the step by step solution

## Step 1. Given information

The number is $6.02×{10}^{23}$.

## Step 2. Calculation

To write the Avogadro’s number in standard form shift the decimal 23 places towards the right from its current position.

Therefore,

$\begin{array}{c}6.02×{10}^{23}=6×02×1000×1000×1000×1000×1000×1000×1000×100\\ =602,000,000,000,000,000,000,000\end{array}$

Thus, standard form of Avogadro’s number is $602,000,000,000,000,000,000,000$.