MHB Expressing a number in scientific notation and factoring a cubic

Click For Summary
The discussion focuses on checking the correctness of answers related to scientific notation and factoring a cubic expression. The user expressed the number 0.00024 in scientific notation as 2.4 x 10^-4, which is confirmed to be correct. Additionally, the user factored the cubic expression 3x^3 - 18x^2 + 24x as (3x)(x - 4)(x - 2), which is also verified as correct. The thread emphasizes the importance of peer validation in solving mathematical problems. Overall, both answers provided are accurate.
drop
Messages
14
Reaction score
0
Basically I don't know anyone in real life that can help me with this, so I need help checking to see if my answers are correct :)

PART A

5) Express .00024 in Sci Notation

My answer: 2.4 x 10^-4

6) Factor the following completely: 3x^3 - 18x^2 + 24x

My Answer: (3x)(x - 4)(x - 2)
 
Mathematics news on Phys.org
Re: Please check my answers - 3

Both correct.
 

Thread 'Area of Overlapping Squares'

Here is a little puzzle from the book 100 Geometric Games by Pierre Berloquin. The side of a small square is one meter long and the side of a larger square one and a half meters long. One vertex of the large square is at the center of the small square. The side of the large square cuts two sides of the small square into one- third parts and two-thirds parts. What is the area where the squares overlap?
View full post »

Similar threads

MHB [ASK] A Line Intercepting A Circle
  • · Replies 4 ·
Replies
4
Views
1K
MHB Is x+1 a Factor of the Polynomial x^3-5x^2+3x+1?
  • · Replies 2 ·
Replies
2
Views
1K
MHB Quadratic equations ( solving for zeros/roots) trickey
  • · Replies 1 ·
Replies
1
Views
1K
MHB Unraveling the Complexities of Factorization in Multivariable Polynomials
  • · Replies 21 ·
Replies
21
Views
5K
MHB How do I factor this expression: 3(x + 5)^3 + 2(x + 5)^2?
  • · Replies 3 ·
Replies
3
Views
1K
MHB Understanding Cubic Equation Formula for Polynomials of Degree Three
  • · Replies 9 ·
Replies
9
Views
3K
MHB How Do I Factor This Expression?
  • · Replies 6 ·
Replies
6
Views
2K
Writing Scientific Notation: Alternatives to mx10n
  • · Replies 6 ·
Replies
6
Views
2K
MHB Solve √(x^2+3x+7)-√(x^2-3x+9)+2=0
  • · Replies 5 ·
Replies
5
Views
2K
MHB Can you help me factor the expression x^4 - 15x^2 + 9?
  • · Replies 4 ·
Replies
4
Views
1K