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March 29, 2015

March 29, 2015

Posted by **Peter** on Tuesday, April 27, 2010 at 12:41pm.

Is it 3.84*10^1? Please help.

- math -
**Reiny**, Tuesday, April 27, 2010 at 1:56pm6 images would take 48 MB of data

at a rate of 100 MB/s this would take

48/100 sec or .48 seconds

In scientific notation that would be 4.80x10^-1

I don't know where you got 3.84

- math -
**PeterM**, Wednesday, April 28, 2010 at 5:05amHi thanks for your responce. However, I think you have used 100MBps (Mega Bytes) insted of 100Mbps(Mega bits), Which would correspond to a different value. So, 48*10^6*8/100*10^6 = 3.84. But how to I express this to two decimal places and scientific notation?

Thanks

- math -
**Reiny**, Wednesday, April 28, 2010 at 8:09amYou are correct, sometimes I should take more care when reading a question

3.84 could be written as

3.84 x 10^0 to match the format of scientific notation.

A "scientific" number falls between 1 and 9 multiplied by a power of 10

e.g. 345.65 = 3.4565 x 10^2

.001234 = 1.234 x 10^-3

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