A vacuum flask is a type of flask that aims to stop:
A) Conduction
B) Convection
C) Radiation
D) All of these
Which statement is false?
A) All natural numbers are integers
B) All integers are rational numbers
C) Every real number is either a rational or irrational number
D) Every whole number is a natural
number
(-2)4 ____________ -(2)4
A) <
B) >
C) =
D) >
What
is the length of the side of a square whose area is 289m2?
A) 13m
B) 17m
C) 19m
D) 23m
