A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision?
3•10^3***
3.2•10^3
3.21•10^3
3.212•10^3
Scientific Notation
1.A
2.D
3.B
4.B
5.B
6.A
Scientific notation unit 2 lesson 2
1. D
2. A
3. A
4. B
5. C
6. B
7. A
COMPLETELY INCORRECT! Please trust me everyone, i just got a 28% on my quiz and my grade is now a D. THANKS A LOT ROSE!!!! The answers:
A
A
B
C
B
C
A
Please trust me, dont end up with a D :( ;)
the questions randomize for everyone
Meow Meow Kit Kat is correct for California Connections Academy, 8B Unit 2 Lesson 2 (Honors? Algebra).
The questions and answers are as following, though:
1.) Which of the following is 0.0000000708 written in scientific notation?
> A, or 7.08 x 10^-8
2.) Which expression represents the largest number?
> A, or 6.1 x 10^-7
3.) Which expression is equal to 1/8,000 written in scientific notation?
> B, or 1.25 x 10^-4
4.) Which of the following statements is NOT true regarding an expression written in scientific notation the the form of a x 10^n?
> C, or Doubling n results in a doubling of the value of the expression (doubling n results in the value of the expression doubling)
5.) Which number is equal to 7(3.5 x 10^4) written in scientific notation?
> B, or 2.45 x 10^5
6.) Gross domestic product (GDP) is a measure of the economic output of a country. The GDP of the United States was about 1.2 x 10^13 dollars in 2005. This is about 3 times the GDP in 1985. What was the U.S. GDP in 1985?
> C, or 4 x 10^12
7.) A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision?
> A, or 3 x 10^3
I have just taken the assessment and I can confirm that Rose is 100% correct. Thank you, Rose.
Here are the answers.
1. 4.22 x 10^-3
2. 7.08 x 10^-8
3. 6.1 x 10^-7
4. 1.25 x 10^-4
5. Doubling 'n' results in a doubling of the value of the expression.
6. 2.45 x 10^5
7. 3 x 10^3