Evaluate square root of (7399), using as much of the information below as is necessary.
[square root of (1.51) = 1.23, square root of (1.51 = 3.86]
Please show your workings clearly, thanks.
The working solutions used square root of (1.51) = 1.23 BUT not square root of (1.51) = 3.86...why is that so? Please tell me? Thanks a lot! =)
2007-09-06 14:43:28 · 4 answers · asked by ♪£yricảl♪ 4 in Science & Mathematics ➔ Mathematics
739.
Just get rid of the last digit and you'll have your answer.
2007-09-06 14:48:33 · answer #1 · answered by bestonnet_00 7 · 0⤊ 0⤋
sqrt(7399) = sqrt(49*151)
= 7sqrt(151)
=7sqrt(1.51*100)
=(7)(10)sqrt(1.51)
= 70(1.23)
= 86.1
Note: square of 1.23 = 1.5129 , where as square of 3.86 is 14.8996 but not 1.51 so only first one was used
2007-09-06 14:58:42 · answer #2 · answered by mohanrao d 7 · 0⤊ 1⤋
√(7399) = √(100)(49)(1.51) = (10)(7)√1.51 = (70)(1.23) = 86.1
2007-09-06 14:52:11 · answer #3 · answered by Marvin 4 · 0⤊ 1⤋
Did you type wrongly: square root of (15.1) = 3.88.
As Bob H showed, there isn't a square root of (15.1) there to be used.
2007-09-06 15:11:34 · answer #4 · answered by back2nature 4 · 0⤊ 1⤋