Other
BNU1501 ASS1 S2
- Course
- BNU1501 - Basic Numeracy
- Institution
- University Of South Africa (Unisa)
BNU1501 ASS1 S2
[Show more]
Seller
Follow
Content preview
BNU1501 Assignment 1Question 1
Every rational number is a:
[1] Whole number
[2] Real number
[3] Natural number
[4] None of the above
Answer: [2] Real number
Explanation: A rational number is any number that can be expressed as a fraction p/q, where p and q are
integers and q is not equal to zero. Real numbers include rational numbers, as well as irrational numbers
like √2 and π.
Question 2
Round off 20.85784 to:
a) Four decimal places
b) The nearest whole number (integer)
Answer: [2] a) 20.8578 b) 21
Explanation:
a) Rounding to four decimal places: 20.85784 rounded to four decimal places is 20.8578.
b) Rounding to the nearest whole number: 20.85784 is closer to 21 than 20, so when rounded to the
nearest whole number, it becomes 21.
Question 3
Round 312.92 to the nearest whole number.
Answer: [1] 313
, Explanation: Rounding 312.92 to the nearest whole number results in 313 because 0.92 is closer to 1
than 0.
Question 4
Which one of these numbers rounds to 100,000?
Answer: [1]
Explanation: Rounding 99,999 to the nearest hundred thousand results in 100,000, as it is closer to
100,000 than to any other hundred thousand value.
Question 5
Negative nine decreased by 3 times a number.
Answer: [4] −9 – 3𝑥
Explanation: The expression “Negative nine decreased by 3 times a number” can be represented as “-9 –
3x” or “-9 – 3𝑥.”
Question 6
What is the definition of a constant?
Answer: [3] The number with no variable
Explanation: In mathematics, a constant is a fixed value that does not change and does not depend on
any variables. It is represented by a numerical value.
Question 7
What is the definition of a coefficient?
Answer: [2] The number in front of a variable
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller sobethuherald6. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R50,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
60434 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now