Directions: Using the digits 1 to 9, at most one time each, fill in the boxes to make a product that equals 800,000,000.

### Hint

How do the digits you choose for the exponents affect the product? How do the digits you choose to multiply by 10 affects the product?

### Answer

Here are some potential answers:

4*10^3 * 2*10^5

8*10^6 * 1*10^2

4*10^3 * 2*10^5

8*10^6 * 1*10^2

Source: Robert Kaplinsky

I got (4×10^3)(2×^5)

(4×10^3)(2×^5) ese fue el digito que me salio

I also got (4×10^3)(2x^5)

I got (4×10^3) (2×10^5)

(4×10^3) (2×10^5)

(8* 10^8)(1*10^0) and (4×10^3)(2*10^5)

(4*10^3)(2*10^5)

(4*10^8)(2*10^5)

(4×10^3) (2×10^5)

(8*10^7) (1*10^4)

I got (4*10^3)(2*10^5)

I got 4*10^3 * 2*10^5

I got ( 1*10^8)(8*10^0)