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Georgia [21]
2 years ago
8

(2.8•10^8)(1.9•10^4)

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
5 0

Answer: 5.32 × 10^12

Step-by-step explanation:

This is a question relating to indices. In indices, we add the power given for question relating to multiplication. Hence, this will be:

= (2.8•10^8)(1.9•10^4)

= (2.8 × 1.9) × 10^8+4

= 5.32 × 10^12

Therefore, the answer to the question will be 5.32 × 10^12.

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mars1129 [50]
This equation can be used when comparing ages.

An example to illustrate this:
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3 years ago
A random sample of 7 fields of durum wheat has a mean yield of 29.8 bushels per acre and standard deviation of 3.62 bushels per
meriva

Answer:

CI = 29.8 ± 3.53

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Step-by-step explanation:

First of all let's find margin of error. It is given by the formula;

ME = zσ/√n

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CI = x¯ ± ME

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