do u mean 2+2=5 no it doesnt it equals 4
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Geometric mean of 2 and 25 = sqrt(2*25) = 5*sqrt(2) = 7.071
what is the rational number for 2/25
A negative exponent is exactly the same as a positive one with one major exception: a negative power means divide 1 by that number. Sounds complicated but if you see it it's much simpler. 2=2/1 25=25/1 2^2=(2^2)/1 25^2=(25^2)/1 2^-2=1/(2^2) 25^-2=1/(25^2)
The best estimate is the true value.512 = 2^9 = 2^7*2^2 = 128*4Then 512*25 = (128*4)*25 = 128*(4*25) = 128*100 = 12800.
The absolute value of a number is a positive number. For example the absolute value of -2 is 2. The absolute value of 4 is 4. So the absoulte value of 25 is 25.