Number Representation

Model X and Model Y, because 20 ones is equivalent to 20 tens.

Model X and Model Z, because 20 ones is equivalent to 2 hundreds.

Model Y and Model Z, because 20 tens is equivalent to 2 hundreds.

None of these

The thousands place is two times greater than the hundreds place.

The thousands place is ten times greater than the hundreds place.

The thousands place is seven times greater than the hundreds place.

The thousands place is zero times greater than the hundreds place.

There is a 5 in the tens place, so 5 times 10 equals 50.

There is a 5 in the hundreds place, so 5 times 100 equals 50.

There is a 5 in the tens place, so 5 times 10 equals 500.

There is a 5 in the thousands place, so 5 times 1,000 equals 500.

The amount of money needed is more than $5,000.

The amount of money needed is less than $4,000.

The amount of money needed is about $5,000, because the point is closer to $5,000.

The amount of money needed is about $4,000, because the point is closer to $4,000.

300, because point A is less than halfway between 300 and 400

500, because point A is more than halfway between 300 and 500

200, because point A is less than halfway between 200 and 400

400, because point A is more than halfway between 300 and 400

(3x100,00)+(7x10,000)+(8x1,000)+(2x100)+(9x10)+(6x1)

(3x10,000)+(8x1,000)+(9x100)+(6x1)

(30x1)+(7x10)+(8x100)+(2x1,000)+(9x10,000)+(6x100,000)

3+7+8+2+9+6

417,290

408,729

48,729

400,729

307, 433

70,378

236,721

37,245

the value of the digit in the tens place is 10 times the value of the digit in the hundreds place

the value of the digit in the hundreds place is 10 times the value of the digit in the thousands place

the value of the digit in the thousands place is one tenth the value of the digit in the ten thousands place

the value of the digit in the ten thousands place is one tenth the value of the digit in the hundreds place