'At least' means equal to or greater than. This meaning is not restricted to maths; it is one of the common everyday meanings of the phrase.
So if you have a question which, for example, tells you to calculate the probability of getting at least one head when a coin is flipped twice then it means:
What is the probability of getting one or more heads when a coin is flipped twice.
Chat with our AI personalities
HL in math mean hypotenuse leg
Sadly, math is commonly expected to be difficult to the point of inscrutable and unconquerable, at least in the US.
hello.what is sliding in math and give me a full answer
proration
What is mean by acting