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

Which of these is a mineral? Folate Vitamin A Calcium Sugar
Passage of which of the following acts increased tension between colonists and the British government in 1774? the Townshend Acts the Stamp Act the Quartering A
How does friar laurence contribute to the catastrophe in romeo and juliet? select 2 options.
Which explains whether or not the function represents a direct variation? This function represents a direct variation because it passes through the origin and h
Round 508.0219 to the nearest hundredth
When Mama realizes that Walter lost not only his share but also Beneatha's, she... Select one: a. beats Walter in the face and yells at him. b. she prays for st
If triangles ABC and DEF are congruent, then find the measure of DE.​
an experiment illustrating fizzy drink production
HELP FACTORISE ITS DUE IN TODAY PPLEASE
The Gross Domestic of a country in the first quarter of 2014 was $1.3299×10×8. GPD=$