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Art [367]
2 years ago
8

Rewrite 39,500 × 103 in scientific notation. Thank you

Mathematics
1 answer:
Mice21 [21]2 years ago
8 0

Step-by-step explanation:

39500 x 103 = 4,068,500

in scientific notation, that ia 4.0685 x 10⁶

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two-fifths of a number is decreased by three.find the value of the expression if the number is twenty five
djyliett [7]
The expression would be written as:

\frac{2}{5}n-3

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\frac{2}{5}(25)-3
=10-3
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aliya0001 [1]

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5 0
3 years ago
Why does 30+(-8)+(-6) equal 16? I'm so confused on this one
Daniel [21]
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5 0
2 years ago
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This is a simultaneous equation and I need help<br> 5x+3y=27<br> 2x+y=10
Serhud [2]

Answer:

(3, 4 )

Step-by-step explanation:

5x + 3y = 27 → (1)

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y = 10 - 2x → (2)

substitute y = 10 - 2x into (1)

5x + 3(10 - 2x) = 27

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solution is (3, 4 )

4 0
1 year ago
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