The problem presents six arithmetic problems to solve: 1. $73 \times 4 = ?$

1. Problem Description

The problem presents six arithmetic problems to solve:

1. $73 \times 4 = ?$

2. $2067 + 393 = ?$

3. $20 \times 20 = ?$

4. $3146 - 200 = ?$

5. $1.68 \times 6 = ?$

6. $0.034 \div 10 = ?$

2. Solution Steps

1. $73 \times 4$:

$73 \times 4 = (70 \times 4) + (3 \times 4) = 280 + 12 = 292$

2. $2067 + 393$:

$2067 + 393 = 2460$

3. $20 \times 20$:

$20 \times 20 = 400$

4. $3146 - 200$:

$3146 - 200 = 2946$

5. $1.68 \times 6$:

$1.68 \times 6 = 10.08$

6. $0.034 \div 10$:

$0.034 \div 10 = 0.0034$

3. Final Answer

1. $73 \times 4 = 292$

2. $2067 + 393 = 2460$

3. $20 \times 20 = 400$

4. $3146 - 200 = 2946$

5. $1.68 \times 6 = 10.08$

6. $0.034 \div 10 = 0.0034$