dreyes5234 dreyes5234

11-08-2018
Mathematics

contestada

Explain howyou wouldestimateto subtract 189 from 643

Respuesta :

Supernova Supernova

11-08-2018

I would estimate 643 - 189 by rounding 643 to the tens place and 189 to the hundreds place.

643 => 640

189 => 200

Now you can subtract 200 from 640.

640 - 200 = 440

Answer Link

Otras preguntas

The medial portion of the face contains... - a.) nose b.) cheek c.) ear d.) eye

Name each of the following binary compounds or ionic compounds with polyatomic ions: 1. LiBr 2. Cal2 3. Al203 4. Mg3N2 5. FeCl2 6. FeCl3 7. Cu3N2 8. Ni2O3 9. Al

2.4.16 Let: U= {a,b,c,d,e,f,g,h} A = {b,d,e} B = {a,d,e} C={a,c,f,g,h} Find the set (AnB) U (Anc). Select the correct choice below and if necessary fi

Please help me with this! Be very grateful.

What is the area of this composite shape? Enter your answer in the box. in²

Planes para la semana que viene. Algunos estudiantes hablan de lo que habrán hecho después de una semana. Completa las oraciones con el futuro perfecto de los v

Please help ?!!! Solve the three equations in the table using any method of your choice. List the method you used. Equation x^2-4=-12 -9x^2+4x-10=0 x^2+8x=-17

What is the sum of the polynomials? (7x^3-4x^2) + (2x^3-4x^2)

Assume ABC is congruent to PQR. If AB = 17, QR = 15, and PR = 23, what is BC? A. 23 units B. 15 units C. 8 units D. 17 units

Hoi Chong Transport, Ltd., operates a fleet of delivery trucks in Singapore. The company has determined that if a truck is driven 153,000 kilometers during a ye