Seudónimo Seudónimo
  • 24-01-2017
  • Mathematics
contestada

explain how an estimate helps you place the decimal point when multiplying 3.9 × 5.3

Respuesta :

ash5sos
ash5sos ash5sos
  • 24-01-2017
so you can round 3.9 to 4, and 5.3 to 5. so 4x5=20. there would then be 2 digits in front of the decimal point. (:
Answer Link

Otras preguntas

Andnhaikalnandanunnhana 5. 4 3 2+ 1+ 5 4 3 -2 -1 1 2 3 4 5 א. to sex-1 y lnx oy-lnx-1 Mar
State the names of two substances produced by photosynthesis.
What the measurements for b ? * just different problems*
The survey of a group of students showed that 50 like tea,40 liked coffee,35 liked milk,20 liked coffee as well as tea,18 liked tea as well as milk,12 liked cof
Read the excerpt from The Crisis, Number I by Thomas Paine. “I once felt all that kind of anger, which a man ought to feel, against the mean principles that are
How many solutions does the equation sin(5x) = 1/2 have on the interval (0,2pi]?
Angle A and B are supplementary. If the measure of a = 6x+17 and the measure of b = 3x+10, find the measure of a
Dis vrai ou faux : a. L'égalité n'est pas importante. b. Il faut aider les pauvres. c. Il faut respecter les vieux d. Il faut être gentil aux malades.
[3⋅5]7= help pls anyone pls help me
6 characteristics feature of grassland habitat​