arwaandaya arwaandaya
  • 21-01-2016
  • Mathematics
contestada

explain how an estimate b elps you to place the decimal point when multiplying 3.9×5.3

Respuesta :

shininggirl2005
shininggirl2005 shininggirl2005
  • 21-01-2016
 The estimate, 4 × 5 = 20, helps me know that the decimal point should be placed so that the answer is close to 20.
Answer Link

Otras preguntas

How many molecules are in 3.41 kg glucose, C6H₁2O6?
Which statements about the agricultural revolution are true? A. It occurred only in regions where rivers flooded regularly. B. Farming quickly eliminated herdin
A 3.75 M solution has an initial volume of 300.0 mL. The solution is diluted to a final volume of 900.0 mL. What is the new concentration?
Another student performs this lab, following a similar procedure to the one you used. However, the student stops adding ice when their water cools down to only
A student runs 200 meters in 25 seconds. What is the speed of the student in miles per hour? speed = 1 mile = 1609 meters
write a paragraph of 3-5 sentences that uses transitions to show a compare and contrast relationship between ideas. EMERGENCY UNIT TEST
Solve using the fractions 5/8 and 1 2/7
Do developmental theories apply to all cultures and societies? Why or why not?
PLEASE HELP Discuss the advantages of oil painting and how they are seen in Jan van Eyck's Madonna and Child with Canon Joris van der Paele. 150-200 words
violet light has a wavelength of 4.10 x 10 ^ -12 m what is the frequency