Hi, The figures are: (1.222x10^5)(3.27x10^3) = 3.40x10^8 12.87 - 11.305 + 7.1 = 8.7 3.0/.12345 = 24 The fifth root of -5.113x10^15 = -1386 Thanks!
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All good except for the first. 1.222 x 3.27 is not 3.40.
It is correct to "three significant figures".
Last edited by HallsofIvy; September 7th 2013 at 07:17 AM.
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