akabadatmath akabadatmath
  • 02-10-2015
  • Mathematics
contestada

add or subtract mentally 16.9+ 12.1

Respuesta :

Brionna97
Brionna97 Brionna97
  • 02-10-2015
When you add it mentally you'd get 29
When you subtract it mentally you'd get 4.8
Answer Link
Percy2Chase
Percy2Chase Percy2Chase
  • 02-10-2015
Well, just add or subtract it form the back and work your way to the front, and you have to remember what the digit was.

16.9 + 12.1 = 29
16.9  - 12.1 = 4.8
Answer Link

Otras preguntas

The standard IQ test is designed so that the mean is 100 and the standard deviation is 15 for the population of all adults. We wish to find the sample size nece
Good negotiators should show no emotion.T/F
Merhaba nasılsınız holla
PLEASE HELP!!!!! BRAINLIEST ANSWER OFFFERED!! THIS IS FROM "LORD OF FLIES".
How is a state legislature similar to the U.S congress? How is it different?
50 Points. Please help me.
Decide if the situation involves a permutation... anyone?
In skill-based pay systems, performance measures are primarily based on _____.A. supervisor's appraisalB. individual productivityC. company profitsD. company st
Which US city is best known for celebrating the tradition of Mardi Gras?
Two men walk at rates 6miles per hour and 10 miles per hour. They started from the same place walking in opposite directions. In how many hours will they be 200