91Ó°ÊÓ

Give an example of a polynomial of four terms in the variable \(x\) that is of degree \(5,\) is written in descending powers, and lacks a fourth-degree term.

A student incorrectly claimed that the following number is written in scientific notation. $$ 0.2 \times 10^{-2} $$ Write this number in scientific notation.

Determine whether each statement is true or false. If false, correct the righthand side of the statement. $$ -(-10)^{0}=1 $$

Write each number in scientific notation. $$ 530 $$

Find each product. $$ 5 y(-6 y+1) $$

Write each number in scientific notation. $$ 0.830 $$

Apply the product rule for exponents, if possible. $$ 11^{6} \cdot 11^{4} $$

Write each number in scientific notation. $$ 0.00000692 $$

Write each number in scientific notation. $$ 0.875 $$

Find each product. $$ 5 r^{3}\left(2 r^{2}+3 r+4\right) $$