The number of ways 4 digit numbers can be forms using the digits 0 to 9 with no number repeated is given by

The probability that one of the numbers is 9876 is given by
Answer:
1. A sound wave in air has a frequency of 262 Hz and travels at a speed of 330 m/s.
2. Sound has a speed of 340 m/s in air at room temperature.
3. A wave has a frequency of 500 Hz and a wavelength of
4. The speed of light is 3.0x10^8 m/s, calculate for the frequency.
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First simplify the expression.
1/3(1,650+0.15c)
550+0.05c
Answer is A
Hope this helps!
4y + 228 = 352
4y = 352 - 228
4y = 124
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4 4
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| y = 31 |
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hope this helps