What number represents the same amount as 3 hundreds +4 tens +16 ones?

What is the value of x in the following equation. -x ^3/2 = -27

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.