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3 years ago

PLS HELP WILL GIVE BRAINLIEST!!!!!

Mathematics

2 answers:

maxonik [38]3 years ago

5 0

Answer:

1,238,400

Step-by-step explanation:

344x60(1min)= 20640

20640x60(1hr)=1,238,400

bekas [8.4K]3 years ago

4 0

Answer:

1,238,400

Step-by-step explanation:

hope this helps!

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The speed of light in a vacuum is 29,980,000,000

sweet [91]

Answer:

$\huge\boxed{\sf 2.998 \times 10^{10}}$

Step-by-step explanation:

Given number:

29,980,000,000

Rules:

Move the decimal point after the first non-zero digit. (after 2)
Here, we will move the decimal point 10 places to the left to move it after the first non-zero digit.
Since we move the decimal point 10 places, we will write the number as a multiple of 10¹⁰ (10 being the exponent).

The number will become:

2.998 × 10¹⁰

$\rule[225]{225}{2}$

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Svetllana [295]

Answer:

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Step-by-step explanation:

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3 years ago

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tia_tia [17]

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3 years ago

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bulgar [2K]

Answer:

Step-by-step explanation:

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For what values of the numbers a and b does the function below have maximum value f(1) = 4? (Round the answers to three decimal

Georgia [21]

F (x) = $a x e^{b x^{2} }$
f ` (x) = $a( e^{b x^{2} } +x e ^{b x^{2} } *2 b x )=a e ^{b x^{2} } (1+2b x^{2} )$
f ( 1 ) = 4
f ` ( 1 ) = 0
$4 = a e ^{b} \\ a e ^{b} (1 + 2 b ) = 0 \\ 4 ( 1 + 2 b )= 0
$
b = -1/2
$4=a e ^{-1/2} = \frac{a}{ \sqrt{e} } \\ a = 4 \sqrt{e}$
Answer: a = 4√e, b = -1/2

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3 years ago