akabadatmath
akabadatmath
02-10-2015
Mathematics
contestada
add or subtract mentally 16.9+ 12.1
Respuesta :
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
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
VER TODAS LAS RESPUESTAS ( 49+ )
Otras preguntas
I really need help with these and my dad said the way i originally did it was wrong.
Which group of words is a sentence fragment? A. Wolves are wild animals. B. Wolves and dogs are close relatives. C. A wolf can run up to 40 miles a day. D. As a
what is 6.9 as a fraction or a mixed number
explain how you know that the quotient 47.3÷10×10 is equal to 47.3÷0.1
How are mitosis and meiosis different from each other? A. Mitosis produces four different cells and meiosis produces identical cells. B. Mitosis produces four d
where did salt get its name from
The French were mad at the English colonists because???
What should be the guiding factor for a designer when using colors in a garment?
how are simple cations and anions named ?
Can you make the area of your shape go up but the perimeter go down?
