Lesson Example Discussion Quiz: Class Homework |
Step-5 |
Title: Exponent Basics |
Grade: 6-b Lesson: S3-L1 |
Explanation: Hello Students, time to practice and review the steps for the problem. |
Lesson Steps
| Step | Type | Explanation | Answer |
|---|---|---|---|
1 |
Problem |
Simplify the expression \$ (-15)^2 \$. |
|
2 |
Step |
Recognize that \$ (-15)^2 \$ means |
(-15) multiplied by itself |
3 |
Step |
Write out the expression as repeated multiplication |
\$ (-15 ) \times (-15) \$ |
4 |
Step |
Perform the multiplication |
\$ (-15 ) \times (-15) \$ = 225 |
5 |
Step |
The result of the multiplication is 225. |
|
6 |
Choice.A |
This option is incorrect because it might be mistakenly considered as the result of (−15)+(−15), which is not the operation performed here |
30 |
7 |
Choice.B |
This option is incorrect and could be the result of incorrectly squaring 15 and then mistakenly adding rather than multiplying the factors, for example, 15+15+15 |
45 |
8 |
Choice.C |
This answer is correct because by the calculation we got the answer as 225 |
225 |
9 |
Choice.D |
This option is incorrect and doesn’t relate to the operations or values involved in squaring -15 |
305 |
10 |
Answer |
Option |
C |
11 |
Sumup |
Can you summarize what you’ve understood in the above steps? |
|
Copyright © 2020-2022 saibook.us Contact: info@saibook.us Version: 1.5 Built: 05-August-2024 09:20AM EST