Consider the numeral 45,607. What digit is in the tens column?

For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i