What are the solutions to the following mathematical problems?

Question

ScanSolve AI Tutor · Accepted Answer

Here are the solutions for the problems:

1.

Perform the multiplication.
$-3 \times 1 = -3$
Perform the addition.
$-3 + 3 = 0$
The answer is $\boxed{0}$ .

2.
Perform the multiplication.
$2 \times 1 = 2$
Perform the addition.
$2 + 3 = 5$
The answer is $\boxed{5}$ .

3.
Perform the multiplication.
$-0.2 \times 3 = -0.6$
The answer is $\boxed*{-0.6*}$ .

4.
Perform the multiplication.
$-4.5 \times 1 = -4.5$
Perform the addition.
$-4.5 + 3 = -1.5$
The answer is $\boxed*{-1.5*}$ .

5.
Perform the multiplication.
$-\frac{1}{3} \times 1 = -\frac{1}{3}$
Perform the subtraction.
$-\frac{1}{3} - 3 = -\frac{1}{3} - \frac{9}{3} = -\frac{10}{3}$
The answer is $\boxed*{-\frac{10}{3} \text{ or } -3.33...*}$ .

6.
Perform the multiplication.
$2 \times 1 = 2$
Perform the subtraction.
$2 - 0.5 = 1.5$
The answer is $\boxed*{1.5*}$ .

7.
Perform the multiplication.
$2 \times \frac{5}{2} = 5$
Perform the subtraction.
$5 - 3 = 2$
The answer is $\boxed*{2*}$ .

8.
Perform the multiplication.
$2 \times \frac{7}{2} = 7$
Perform the subtraction.
$7 - 8 = -1$
The answer is $\boxed*{-1*}$ .

9.
Simplify the fraction and perform the multiplication.
$-\frac{3}{6} \times 1 = -\frac{1}{2} \times 1 = -\frac{1}{2}$
Perform the addition.
$-\frac{1}{2} + 3 = -\frac{1}{2} + \frac{6}{2} = \frac{5}{2}$
The answer is $\boxed*{\frac{5}{2} \text{ or } 2.5*}$ .

10.
Perform the multiplication.
$2 \times 1000 = 2000$
Perform the addition.
$2000 + 3 = 2003$
The answer is $\boxed*{2003*}$ .

Step-by-step solution