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Colt1911 [192]
2 years ago
6

Estimate and then find the value. 45,846 + 32,185 =

Mathematics
2 answers:
wlad13 [49]2 years ago
8 0

Answer:

78,000 78,031

Step-by-step explanation:

BaLLatris [955]2 years ago
6 0

Answer:

Estimate: You can easily know to look at 45 and 32 in the ten thousands place and to add them together, which is 77. So, the answer is going to be around 77,000, but when you look at the entire numbers, you can tell 846 plus 185 is going to be over a thousand. So, if you know 45,000 plus 32,000 is 77,000 and 846 plus 185 is over a thousand, you should add 77,000 and 1,000 together to make an estimate of 78,000.

(This is my way of estimating for this problem, but everyone has different ways of thinking about it!!)

Value: 45,846+32,185=78,031

Since the estimate was only 31 away from the actual answer, you know the estimate was pretty accurate!

Hope this helped you out; have an amazing day!!! :3

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Select the correct answer. what is this series written in sigma notation? 2.5 2.5(1.2) 2.5(1.2)2 ⋯ 2.5(1.2)87 a. ∑ k = 1 87 2.5
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<u> ∑ k = 1 88 2.5 ⁢ ( 1.2 ) k</u><u>  is this series written in </u><u>sigma notation. </u>

What is the series written in sigma notation?

  • A series can be represented in a compact form, called summation or sigma notation.
  • The Greek capital letter, ∑ , is used to represent the sum. The series 4+8+12+16+20+24 can be expressed as 6∑n=14n .
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Given:

2.5 + 2.5(1.2) + 2.5(1.2)2 + ⋯ + 2.5(1.2)87

If we look at the power it is always one less the term i.e., for first term the value of k=0.

So, the series in the form of summation can be written as

∑ k = 1 88 2.5 ⁢ ( 1.2 ) k

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brainly.com/question/16701078

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(CO 3) A survey indicates that shoppers spend an average of 22 minutes with a standard deviation of 8 minutes in your store and
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Answer: 0.60

Step-by-step explanation:

Given: Mean : \mu = 22\text{ minutes}

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