Warren Griffiths
04/10/2023 · High School
\( \left[\begin{array}{ccc}{21\div (.7x3)}&{+4(5-)}&{}\\{}&{}&{}\\{}&{}&{}\end{array}\right] \)
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To simplify the expression given in the matrix, we will evaluate each part step by step.
1. **Evaluate \( 21 \div (0.7 \times 3) \)**:
- First, calculate \( 0.7 \times 3 \):
\[
0.7 \times 3 = 2.1
\]
- Now, divide \( 21 \) by \( 2.1 \):
\[
21 \div 2.1 = 10
\]
2. **Evaluate \( +4(5 -) \)**:
- The expression \( 5 - \) seems incomplete. Assuming it should be \( 5 - 0 \) (or just \( 5 \)), we can proceed:
- Calculate \( 5 - 0 = 5 \).
- Now, multiply by \( 4 \):
\[
4 \times 5 = 20
\]
Now we can summarize the results:
- The first part evaluates to \( 10 \).
- The second part evaluates to \( 20 \).
Putting it all together, the matrix can be filled as follows:
\[
\left[\begin{array}{ccc}
10 & 20 & {} \\
{} & {} & {} \\
{} & {} & {}
\end{array}\right]
\]
If you have any further instructions or need additional calculations, please let me know!
Quick Answer
The matrix simplifies to:
\[
\left[\begin{array}{ccc}
10 & 20 & {} \\
{} & {} & {} \\
{} & {} & {}
\end{array}\right]
\]
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