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kramer
3 years ago
13

What is the sum of the first 10 terms of the sequence 2, 6, 18,54...?

Mathematics
1 answer:
leonid [27]3 years ago
4 0

Answer:

This is a sequence where you <em>multiply that number 3 times</em>.  For example, 2 x 3 = <em>6</em>.  6 x 3 = <em>18</em>.  18 x 3 = <em>54</em> and so on.  Therefore, <em>multiplying 3 by the number is the Answer.</em>

<em></em>

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Express this number in scientific notation: 0.0002077
RSB [31]

Given the number:

0.0002077​

Let's express in scientific notation.

To express the number in scientific notation, move the decimal point so that there is only one non-zero number to the left of the decimal point.

Then, the number of decimal places you move will be the exponent on 10.

If the decimal point is moved to the right, the exponent will be negative.

If the decimal pointt is moved to the left, the exponent will be positive.

In this case the decimal point will be moved to the right.

Using this description, we have the scientific notation below:

undefined

7 0
1 year ago
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Please help me with this question!
frez [133]
\text {Laura = }  12 \text { years } 3 \text { months }

\text {Lisa = }  11 \text { years } 7 \text { months }

\text {Deborah = }  11 \dfrac{1}{2}  \text { years } =  11 \text { years } 6 \text { months }

\text {Elizabeth = }  11 \dfrac{1}{3}  \text { years } =  11 \text { years } 4 \text { months }

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\text {Total = } 12 \text { yr } 3 \text { mth } + 11 \text { yr } 7 \text { mth } + 11 \text { yr} 6 \text { mth} +11 \text { yr } 4 \text { mth}

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\text {Average = } (45 \text { years } 20 \text { months }) \div 4

\text {Average = } 560 \text { months } \div 4

\text {Average = } 140 \text { months } \div 4

\text {Average = } 11 \text { years } 8 \text { months }

----------------------------------------------------------------------------------------------------------
\bf \text {Answer : Average = } 11 \text { years } 8 \text { months }
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6 0
3 years ago
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Answer:

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