in the expression: 4x2−2x+1

How many terms are there?

What is the leading coefficient of the first term?

There are three terms in the expression: 4x^2, -2x, and 1.

The leading coefficient of the first term is 4.

The given expression, 4x^2 - 2x + 1, has three terms.

The leading coefficient of the first term, 4x^2, is 4.