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Dima020 [189]
3 years ago
14

8. Express 2.69 x 10^9 in standard form.

Physics
1 answer:
taurus [48]3 years ago
5 0

Answer:

242.1

Explanation:

10 x 9 equals 90

2.69 x 90 = 242.1

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3 years ago
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a radio antenna broadcasts a 1.0 MHz radio wav e with 21 kW of power. Assume that the radiation is emitted uniformly in all dire
My name is Ann [436]

Answer:

I=2.67\times 10^{-6}\ W/m

Explanation:

Given that,

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I=\dfrac{P}{4\pi r^2}\\\\I=\dfrac{21\times 10^3}{4\pi (25000)^2}\\\\I=2.67\times 10^{-6}\ W/m

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