3 years ago

Choose the best estimate for the multiplication problem below. 91 x 61

Mathematics

1 answer:

Umnica [9.8K]3 years ago

3 0

Answer:

B 5400

Step-by-step explanation:

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6 2/3

Step-by-step explanation:

2/3 x 10= 20/3

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answer is 6 2/3

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3 years ago

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gayaneshka [121]

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Alexxandr [17]

6,11,17,17,19
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Find the first five terms of each geometric sequence described <br><br> A1=1 R=4

xenn [34]

$\bf n^{th}\textit{ term of a geometric sequence}
\\\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
r=\textit{common ratio}\\
a_1=\textit{first term}\\
-------\\
a_1=1\\
r=4
\end{cases}\\\\
-----------------------------\\\\
$

$\bf \begin{array}{ccllll}
term&value\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
1&a_1=1\\
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4&a_4=a_1\cdot 4^{4-1}\\
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3 years ago