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Expressions & Equations: Expression with Powers
Subtracting in Scientific Notation (Same Power)
Description
Subtracting in Scientific Notation (Same Power)
Introduction
Scientific notation is a way to write very large or very small numbers using powers of 10. It makes calculations easier and helps scientists, engineers, and mathematicians work with numbers...
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Transcript
Alex participates in a classroom math challenge during his school’s math club activity. To move to the next round, he is asked to subtract 4.5 x 10-5 from 7.8 x 10-5.
Alex notices that both numbers share the same power of ten, 10-5.
Because the exponents match, he groups the co...
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