stasia02
stasia02
23-09-2016
Mathematics
contestada
Estimate then find the difference or sum
86+17
Respuesta :
Аноним
Аноним
23-09-2016
Estimation for addition: 8
6
rounds up to 90 and 1
7
rounds up to 20 so:
90 + 20 = 110
Estimation for subtraction is the same thing but with subtraction
90 - 20 = 70
Now for the exact answers:
86 + 17 = 103
86 - 17 = 69
Your answers are
110, 70, 103, and 69.
Answer Link
VER TODAS LAS RESPUESTAS ( 61+ )
Otras preguntas
Please help me with this
Find the LCM of 24,36
Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18
Solve the equation for x.3(6x - 1) = 12 Please help I've tried doing the math and I can't find out what I'm doing wrong
how many electrons does silver have to give up in order to achieve a sido noble gas electron configuration
What are the primary goals of the Common Core, standardized tests, and STEM education from the perspective of the US government? A.America’s future in the globa
Which of these places has the most variation in weather from season to season? A. South India B. Eastern China C. Western Australia D. Northern Canada
A 110-pound person pulls herself up 4.0 feet. This took her 2.5 seconds. How much power was developed? 0.13 hp 0.32 hp 2.0 hp 3.1 hp
Hummingbirds drink nectar from flowers, while robins eat plant seeds. What does this reduce?
how did his exploration help his country sir walter raleigh
