Find the value of $460\div8$460÷8.
Find the value of $470\div8$470÷8.
Find the value of $422\div5$422÷5.
Find the value of $585\div2$585÷2.
multiply and divide decimals by multiples of powers of 10 without a calculator, applying knowledge of place value and proficiency with multiplication facts; using estimation and rounding to check the reasonableness of answers