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Len [333]
1 year ago
10

What is 6.849 times ten to the fourth power minus 2.329 times ten to the negative second power express the answer in scientific

notation rounding to 2 decimal places.
Mathematics
1 answer:
maxonik [38]1 year ago
3 0

the answer in scientific notation rounding to 2 decimal places is given by 68490.98

What is 6.849 times ten to the fourth power minus 2.329 times ten to the negative second power express the answer in scientific notation rounding to 2 decimal places.

6.849 *(10)^4=6.849* 10000=68490

2.329*(10)^-2= 0.02329

according to the question

6.849 times ten to the fourth power minus 2.329 times ten to the negative second power

therefore 68490-0.02329

           =68489.9767

round to 2 decimal

the answer in scientific notation rounding to 2 decimal places is given by 68490.98

learn more about of power here

brainly.com/question/14689105

#SPJ4

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1. A supermarket display consists of boxes of soda. The bottom row has 38 boxes. Each row has four fewer boxes than the row belo
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Answer:

10 boxes in the top row.

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Step-by-step explanation:

Let n be the number of rows.

Given:

Total number of rows = 8

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Solution:

Part A:

We know that the bottom row has 38 boxes and each row has four fewer boxes than the row below it.

Using below function for determining the number of boxes in each rows.

f(n)=38-(8-n)4

Where:

n = Number of row.

We need to find the boxes in the first row.

So, substitute n = 1 in above function.

f(1)=38-(8-1)4

f(1)=38-7\times 4

f(1)=38-28

f(1)=10

Therefore, 10 boxes in the top row.

Part B:

Total boxes in the entire display.

Using formula as given below to determine the sum of the boxes in entire display.

S_{n} = \frac{n}{2}(f(1)+f(n))

Substitute n = 8, f(1) = 10 and f(8) = 38 in the above equation.

S_{8} = \frac{8}{2}(10+38)

S_{8} = 4(48)

S_{8} = 4\times 48

S_{8} = 192\ boxes

Therefore, 192 boxes in the entire display.

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Step-by-step explanation:

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