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 ( 93+ )
Otras preguntas
Can the sum of the measures of two acute angles be greater then the measure of a straight angle? Explain?
A television sells for $950. Instead of paying the total amount at the time of the purchase, the same television can be bought by paying $100 down and $100
Viruses bacteria and other organisms in the environment that harm human health are classified as
Sonar is the detection of sound waves reflected off boundaries in water. a region of warm water in a cold lake can produce a reflection, as can the bottom of th
________ is generally considered the first sociologist who analyzed religion in terms of its societal impact.
Choose the right answer. During ___________, scenes from the Bible and mythology were often inspiring subjects for paintings. the twentieth century The Rococo p
Which drug is used for treatment of withdrawal from narcotics, as well as an analgesic?
A thin glass rod is submerged in oil. What is the critical angle for light traveling inside the rod? The index of refraction for glass is 1.50 The index of refr
what will happen if ligaments are over stretched?
It is helpful to consider your own ideas before reading the text. true false
