We know that 1 million has 6 zeros. This means 1 million has 7 place values: one for the 1 and 6 for the zeros.
50 has 1 more place value than one, so 50 million has 1 more place value than 1 million.
So, 50 million has 8 place values.
8x+6? Are you asking us to write out the equation?
6+4+3= 13 coins
There are 20 coins so you have to subtract 20-13+7
So, Ms. Mitchell has 7 nickels in her purse
25 dollars I think. Use a calculator if necessary.
