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Paraphin [41]
3 years ago
5

Which value is closest to (7 x 108) + (5 x 105)?

Mathematics
2 answers:
LekaFEV [45]3 years ago
8 0

Answer:

C)12 x 108 has the closest value.

Step-by-step explanation:

Firstly, (7 x 108) + (5 x 105) is equal to 756 + 525 which is equal to 1281.

A)7 x 108= 756

B)12 x 1013= 12156

C)12 x 108=1296

D)7 x 1013=7091

Fiesta28 [93]3 years ago
8 0
C has the closest value!!!!!!!
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Step-by-step explanation:

Given:

The lifetimes of the individual items are independent exponential random variables.

Mean = 200 hours.

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\therefore \mathrm{E}[\mathrm{T}]=\sum_{\mathrm{H}}^{5} \frac{200}{101-i}

b)

The variance is given by, \mathrm{Var}[\mathrm{T}]=\sum_{i=1}^{5} \mathrm{Var}[T]

\therefore \mathrm{Var}[\mathrm{T}]=\sum_{k=1}^{5} \frac{(200)^{2}}{(101-i)^{2}}

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