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Mean
1(one) is a number. It represents a single entity.
no
The GCF refers to integers, not fractions.
A single, short vertical stroke represents 1.
An "expression" is anything that can be calculated to get a number, in other words, anything that represents a number, so that includes the numbers themselves.
The square root of 6 lies between 2 and 3.
It is not. In cultures other than yours it is written differently. However, it is often a single line representing the single entity that the number represents.
The "?" represents a single character whereas the "*" represents multiple characters.
The single number directly between those two numbers is 18.
A dashed line represents a hydrogen bond because they are the weakest of the bonds.
The atomic number of an element determines the number of protons that are present in that element. The atomic size refers to the distance that the outermost valence electrons are from the nucleus.