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Sedaia [141]
3 years ago
12

What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)?

Chemistry
2 answers:
Travka [436]3 years ago
7 0
That would be A.

2.5*2*10^(10-7)=5*10^3
Brut [27]3 years ago
4 0

Answer: The correct option is,

A. 5.0\times 10^3

Explanation:

Given expression,

(2.5\times 10^{10})\times (2.0\times 10^{-7})

=2.5\times 2.0\times 10^{10-7}

( By using product property of exponent i.e. a^m\times a^n = a^{m+n} )

=5.0\times 10^3

Therefore,

OPTION A is correct.

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3 0
2 years ago
Count the total number of atoms in sio2:
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3 years ago
What is molar concept​
andrew11 [14]

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Explanation:

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3 years ago
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Answer:

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4 0
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Read 2 more answers
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