Coopie8518 Coopie8518
  • 14-11-2018
  • Mathematics
contestada

How can you use mental math to determine that 2800 divide equals 400

Respuesta :

tramserran
tramserran tramserran
  • 14-11-2018

2800 ÷ 400

Cross out 2 zeros from both numbers, then you have 28 ÷ 4  = 7

Answer Link

Otras preguntas

5x+7y=77 5x+3y=53 2x+5y=-1 X+2y=0 3x+6y=6 2x-3y=4
in a walk for charity, you walk at a rate of 100 meters per minute. how long does it take to walk 2 kilometers?
Which feature of the Roman Republic's government is also a feature of the United States' government? a Senate with 300 members appointed by the head of governme
what is the solution to 3!
Which sentence contains an adjective clause? A. Jan saw a stranger's wallet lying on the ground. B. The man whose wallet Jan found gave her a reward. C. Last Tu
The carbon footprint of an activity is used to assess environmental pollution. What does it measure?
Which statement best describes the relationship between proteins and nucleic acids? Proteins read the instructions that are contained in nucleic acids. Nucleic
What percent by mass of each chloroform molecule is composed of chlorine?
Variation of ecological habitats within a species is characteristic of which type of diversity? a. Genetic diversity b. Ecosystem diversity c. Species diversity
Is it easier to form a positive ion with an element that has a high ionization energy or element that has a low ionization energy? Explain.