Seudónimo Seudónimo
  • 02-04-2017
  • Mathematics
contestada

A number divided by 58 is close to 30.
Which of the following could be this number?

a 18.43
b 184.3
c 1843
d 18 430

Respuesta :

MaggZAttaggZ
MaggZAttaggZ MaggZAttaggZ
  • 02-04-2017
x/58 (is roughly) 30
x/58 = 30
Multiply 58 on both sides.
x = 1,740

So it has to be c. 1,843
Answer Link
Commoncougar
Commoncougar Commoncougar
  • 02-04-2017
Without calculating, we can approximate that (roughly) 30 x 58 is going to be a four-place value number because
30 <---- two place values
x 58 <---- two place values
----------------------------------------
Four place values, or C) 1,843
Answer Link

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