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2 years ago

How do you write 26,300 in scientific notation? × 10^

Mathematics

2 answers:

GalinKa [24]2 years ago

5 0

Answer:

2.63 * 10 ^4

Step-by-step explanation:

26,300

We want one digit to the left of the decimal

Move the decimal 4 places to the left

4 is the exponent. Since we moved the decimal to the left, the exponent is positive

2.63 * 10 ^4

attashe74 [19]2 years ago

3 0

Answer:

It's written as

$2.63 \times {10}^{4}$

Hope this helps you

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The question is incomplete. The complete question is :

Let X be a random variable with probability mass function

P(X =1) =1/2, P(X=2)=1/3, P(X=5)=1/6

(a) Find a function g such that E[g(X)]=1/3 ln(2) + 1/6 ln(5). You answer should give at least the values g(k) for all possible values of k of X, but you can also specify g on a larger set if possible.

(b) Let t be some real number. Find a function g such that E[g(X)] =1/2 e^t + 2/3 e^(2t) + 5/6 e^(5t)

Solution :

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$P(X=1)=\frac{1}{2}, P(X=2)=\frac{1}{3}, P(X=5)=\frac{1}{6}$

a). We know :

$E[g(x)] = \sum g(x)p(x)$

So, $g(1).P(X=1) + g(2).P(X=2)+g(5).P(X=5) = \frac{1}{3} \ln (2) + \frac{1}{6} \ln(5)$

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b).

We known that $E[g(x)] = \sum g(x)p(x)$

∴ $g(1).P(X=1) +g(2).P(X=2)+g(5).P(X=5) = \frac{1}{2}e^t+ \frac{2}{3}e^{2t}+ \frac{5}{6}e^{5t}$

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Therefore on comparing, we get

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How do you write 26,300 in scientific notation? ____× 10^____

How do you write 26,300 in scientific notation? × 10^