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musickatia [10]
3 years ago
13

PLS HELPPPPPPPPP!!!!!!!!!!!3. There are many bacteria that live inside of us. By some estimates there are 3.8 x 1013 bacteria th

at live inside each of our bodies. Each bacterium weighs, on average, 5.1 x 10-12 grams. What is the total gram
weight of bacteria in a human body? Round to the nearest gram.
Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0

Answer:

193.8

Step-by-step explanation:

a = 3.8 times 10^13 = 38,000,000,000,000

b = 5.1 times 10^-12 = 0.0000000000051

a times b = 193.8

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Step-by-step explanation:

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3 0
3 years ago
Two number cubes are rolled what is the probability that the sum of the numbers rolled is either a 4 or a 10
Blizzard [7]
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A=\{(1,3),(3,1),(2,2),(4,6),(6,4),(5,5)\}\\
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4 years ago
Find a_1 and d for an arithmetic sequence with these terms. a_4=9and a_7=18
jonny [76]
\bf \begin{array}{llll}
term&value\\
-----&-----\\
a_4&9\\
a_5&9+d\\
a_6&(9+d)+d\\
&9+2d\\
a_7&(9+2d)+d\\
&9+3d=\underline{18}
\end{array}\\\\
-------------------------------\\\\
9+3d=18\implies 3d=9\implies d=\cfrac{9}{3}\implies \boxed{d=3}

\bf n^{th}\textit{ term of an arithmetic sequence}\\\\
a_n=a_1+(n-1)d\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
d=\textit{common difference}\\
----------\\
n=7\\
d=3
\end{cases}
\\\\\\
a_7=a_1+(7-1)d\implies 18=a_1+(7-1)3\implies 18=a_1+18
\\\\\\
18-18=a_1\implies \boxed{0=a_1}
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amid [387]

Answer:

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Step-by-step explanation:

I think this is right

8 0
3 years ago
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Elis [28]

Answer:

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Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
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