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The mass of one grain of beach sand is approximately 0.00000000045 ounce. Write this number in scientific notation.
$4.5 \times 10^{-10} \mathrm{oz}$
Algebra
Chapter 5
Exponents and Polynomials
Section 3
Scientific Notation
Polynomials
Oregon State University
Idaho State University
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were asked to write this number in scientific notation. First, let's move the decimal point so that we have a number in between one and 10. We get 4.5. Now let's count to see how many places we moved the decimal. 123456789 10. Remove the decimal 0.10 times since we moved it to the right are explain. It is gonna be negative. Our answer is 4.5 times 10. It's the negative 10th power.
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