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Cerrena [4.2K]
3 years ago
8

Convert the scientific notation into a standard form number, 1.23 x 10-5

Mathematics
1 answer:
marusya05 [52]3 years ago
3 0

Step-by-step explanation:

a^{-n}=\dfrac{1}{a^n}\\\\\text{therefore}\ 10^{-5}=\dfrac{1}{10^5}=\dfrac{1}{100000}=0.00001\\\\1.23\cdot10^{-5}=1.23\cdot0.00001=0.0000123

a\cdot10^{-n} - move the decimal point <em>n</em> place to the left

a\cdot10^n - move the decimal point <em>n</em> place to the right

Examples:

1.2\cdot10^5=1\underbrace{20000}_{5\to}=120,000\\\\1.2\cdot10^{-5}=0\underbrace{.00001}_{\leftarrow5}2=0.000012

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3 0
3 years ago
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5/8

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6 0
4 years ago
What race are Elephants?
skelet666 [1.2K]

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4 years ago
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