21 083 a reasonable product of 638 x 64? Why or why not? is reasonable. The answer is much greater than 4,083. Rounding the factors to their test place value gives the estimated product This is close to the exact answer, whole numbers) your aner in the edits and then click Check Answer Che AB Review progress Question 10 please help brian lest and points help

Which of the following expressions is equal to 2x^2+8

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.