Answer :

Sure! Let's break down the solution step by step.

### Step 1: Calculate [tex]\(0.9 \times 1000\)[/tex]

First, we need to multiply 0.9 by 1000.

[tex]\[ 0.9 \times 1000 \][/tex]

When you multiply 0.9 by 1000, you move the decimal point three places to the right. Therefore,

[tex]\[ 0.9 \times 1000 = 900.0 \][/tex]

So, the result of [tex]\( 0.9 \times 1000 \)[/tex] is [tex]\( 900.0 \)[/tex].

### Step 2: Calculate [tex]\(26.79 \times 13.43\)[/tex]

Next, we will multiply 26.79 by 13.43.

[tex]\[ 26.79 \times 13.43 \][/tex]

We need to multiply these two numbers. When we perform this multiplication, we get:

[tex]\[ 26.79 \times 13.43 = 359.7897 \][/tex]

So, the result of [tex]\( 26.79 \times 13.43 \)[/tex] is [tex]\( 359.7897 \)[/tex].

### Summary

1. [tex]\( 0.9 \times 1000 = 900.0 \)[/tex]
2. [tex]\( 26.79 \times 13.43 = 359.7897 \)[/tex]

Therefore, the results of the calculations are:

[tex]\[ 0.9 \times 1000 = 900.0 \][/tex]
[tex]\[ 26.79 \times 13.43 = 359.7897 \][/tex]