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What is 2 x 10 to the negative 6 power?
first you forget the 2 is there. then you go : 1/10 x 1/10 x 1/10 x 1/10 x 1/10 x 1/10 = b now make b a 2. 2 x 10 -6 is 0.000002.
What is the exponetial notation of 262144?
262,144 = (2 x 10^5) + (6 x 10^4) + (2 x 10^3) + (1 x 10^2) + (4 x 10^1) + (4 x 10^0)
Solve e to the power of 2-x equal 10 to the power of x-2?
e^2-x = 10^x-2 let take the natural log of both sides we have 2-x=ln ( 10^(x-2) 2-x=x-2(ln 10) 4-2x=ln10 -2x=ln10-4 x= -1/2[(ln10)+4)]
How many ways can a person select 8 videotapes from 10 tapes?
This is a combination question. You set it up as 10 P 8 10!/8!2! = 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 x 2 x 1 You then cross out any matching numbers in the numerator and the denominator. You are left with 10 x 9 on top and 2 x 1 on the bottom. This gives you 90/2 = 45 The answer is 45
What is the missing number in the sequence 2 4 6 10 26?
The answer depends on where the missing number is meant to be. If 2, 4, 6, 10, 26, X: then X = 72 If 2, 4, 6, 10, X, 26: then X = 16.8 If 2, 4, 6, X, 10, 26: then X = 6.6 If 2, 4, X, 6, 10, 26: then X = 5.4 If 2, X, 4, 6, 10, 26: then X = 1.2 If X, 2, 4, 6, 10, 26: then X = 6
