Number Theory
Complete the following: Natural numbers are the set of ______________ numbers.
Counting
How many significant figures are in the number 0.0005700?
Four s.f
State the 4 number bases covered in class.
Base 2, Base 4, Base 8, Base 10
Which operation would you do first in this calculation?
6 x 4 + (3 - 1)
Brackets
The first prime number is 1. True or False?
False
The set of irrational numbers can be found within which set of numbers?
The set of real numbers.
Significant figures are used to indicate ____________.
Precision
Convert 510 to Base 2.
1012
Evaluate (7x5) + (6x4)
59
What is the highest peak in Barbados?
Mount Hillaby
How do we write an integer as a rational number?
Write the integer as the number over 1 (a fraction)
Round 1047.78 to three sig figs
1050
Convert 4510 to Base 4.
2314
Evaluate 2 + 3 × 4 - 6 ÷ 2.
11
The prime factorization of 104 is _________.
2 x 2 x 2 x 13
Within the set of integers, we can find zero. We can also find two kinds of numbers in this group. What are the two types of numbers?
Positive natural numbers
Negative natural numbers
3.2 x 12 = _________________? State this answer to one significant figure.
40
Convert 70 in octal to Base 10
56
Evaluate 100 - 5 + 3 + 1 - 17 + 9 - 3
88
What is the HCF of 100 and 102?
2
List the final 5 prime numbers for the numbers between 1 and 100.
73, 79, 83, 89, and 97
State the number 600 with 4 significant figures.
600.0
Convert 128 to Base 4.
320
Evaluate (18 - 14 +12) - (22 x 7) + (5 /5 x 15/20) + 1
-10.25
The ratio of cars to trucks in the parking lot is 3:5. If there are 360 vehicles in the parking lot, how may are trucks?
225 trucks