Niloxix Niloxix
  • 24-11-2015
  • Mathematics
contestada

Explain how estimation helps you to place the decimal point when multiplying 3.9 times 5.3

Respuesta :

WorldCitizen WorldCitizen
  • 24-11-2015
I see it like this: we mupliply almost 4 by a little more then 5, so the result will be around 20 (4*5=20) : so the decimal point must be after the 20 (and it is, the result is 20.67
Answer Link

Otras preguntas

how do you do question 4, 5 and 6? I don't understand :(
what are the code and ethics of international organisers at berlin
I need the correct answer
how many amino acids are coded for by DNA
Which events increased tensions between the Japan and the United States in the late 1930s?
A school is building a rectangular soccer field that has an area of 6000 yards. The soccer field must be 40 yards longer than it's worth. Determine algebraicall
Why does photosynthesis require light to occur? a. Cellular respiration produces light b. Light adds energy and photosynthesis is endothermic c. Light adds ener
How much does 1 American tank cost on gas for a regular mission? Depending on your answer, I will give you the right amount of points.
The original judiciary branch included a Supreme Court made up of _____ justices.
What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0?