Question

Спрости вираз-7k•3k І вкажи його коефіцієнт

Answer 1

Вираз 7k•3k дорівнює 21k^2. Коефіцієнт цього виразу - 21.

Answer 2

Solving the Expression and Finding Its Coefficient

To solve the expression -7k•3k, we can start by simplifying the multiplication of the two terms.

Step 1: Multiplying the Terms The expression -7k•3k can be simplified by multiplying the coefficients and adding the exponents of the variable k.

Multiplying the coefficients -7 and 3 gives us -21. Then, adding the exponents of k (which are both 1) gives us k^2.

So, -7k•3k simplifies to -21k^2.

Step 2: Finding the Coefficient In the simplified expression -21k^2, the coefficient is -21.

Therefore, the coefficient of the expression -7k•3k is -21.

I hope this helps! If you have any more questions or need further assistance, feel free to ask.