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3 years ago

Which product is less than 99 (look at pic) please answer

Mathematics

2 answers:

marin [14]3 years ago

5 0

Answer: 10 / 11 × 99

Step-by-step explanation:

The first one is; 16/15 × 99 = 1584/15 = 105.6

Its greater than 99

The second one is; 12/7 × 99 = 1188/7 = 169.71

The value is greater than 99

The fourth one is; 20/20 × 99 = 1980/20 = 99

The value is equal 99

The third one is; 10/11 × 99 = 990/11 =90

The value is less than 99

Therefore the product of 10/11 ×99 is less than 99

ahrayia [7]3 years ago

3 0

The third one because the fraction is less than one

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kirza4 [7]

Answer:

The products of AB and BA is given by

AB= $\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]$

BA= $\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]$

Step-by-step explanation:

Given the matrices A= $\left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right]$ and

B= $\left[\begin{array}{cc}1&-1\\-3&0\end{array}\right]$

To find the product AB and BA

AB= $\left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right] \left[\begin{array}{cc}1 & -1\\-3 &0\end{array}\right]$

$=\left[\begin{array}{cc}6+15& -6+0\\-3+12&3-0\end{array}\right]$

Therefore the product of AB is

AB= $\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]$

BA= $\left[\begin{array}{cc}1&-1\\-3&0\end{array}\right]$ $\left[\begin{array}{cc}6&-5\\-3&-4\end{array}\right]$

$=\left[\begin{array}{cc}6+3& -5+4\\-18+0&15+0\end{array}\right]$

Therefore the product of BA is

BA= $\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]$

The products of AB and BA is given by

AB= $\left[\begin{array}{cc}21&-6\\ 9&3\end{array}\right]$

BA= $\left[\begin{array}{cc}9&-1\\-18&15\end{array}\right]$

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3 years ago

Simplify the expression. Write your answer as a power. 810⋅84<br> The simplified expression is?

Alinara [238K]

68040 or 10^4 x 6.8040

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3 years ago

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enyata [817]

Answer:

multiply the 3 and the 2= 6

Step-by-step explanation:

6 is the answer

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3 years ago