allisonlillian
12.11.2019 •
Mathematics
Katie wrote these steps to find the estimated difference between 69 and 31.
step 1: 69 rounded to the nearest ten is 70.
step 2: 31 rounded to the nearest ten is 40.
step 3: the term difference means "to subtract.”
step 4: the estimated difference between 69 and 31 is
70 – 40 = 30.
in what step did her first error occur?
step 1
step 2
step 3
step 4
Solved
Show answers
More tips
- G Goods and services LED-подсветка в LCD-телевизорах: 5 причин, почему она лучше других технологий...
- P Photography and Videography Understanding HDR: How It Works and Why You Need It...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- C Computers and Internet How to Choose an Uninterruptible Power Supply (UPS) for Your Computer: Expert Tips...
- S Science and Technology How to choose a home theater system?...
- A Auto and Moto How to Choose a Car Wash? Tips and Recommendations...
- A Animals and plants How ants survive winter: exploring the secrets of their winter life...
- C Construction and repair How to Choose the Best Underfloor Heating?...
- S Sport When is the Champions League final?...
- S Sport When and Where Will the 2014 World Cup be Held?...
Answers on questions: Mathematics
- M Mathematics Find the perimeter of the figure....
- M Mathematics SOMEBODY PLEASE HELP ME! I M HORRIBLE AT GEOMETRY!...
- M Mathematics Find the measure of angle 1...
- M Mathematics What is the correct answer ...
- M Mathematics The rear window of DeMarcus s car is in the shape of a trapezoid. The bottom is 50 inches across and the top is 45 inches across. The window has a height of 24 inches....
- M Mathematics A scalene triangle has the lengths 6, 11, and 12. Keyla uses the law of cosines to find the measure of the largest angle. Complete her work and find the measure of angle...
- M Mathematics There are 48 students in a speech contest. Yesterday, 2/3 of them have their speeches. Today, 7/8 of the remaining students give their speeches. How many students still...
- M Mathematics I NEED HELP WITH C , help i dont understand...
- M Mathematics What transformation(s) were made to the original f(x) = x3 graph? The function was shifted to the right 3 units. The function was shifted to the left 2 units. The function...
- M Mathematics Determine the measure of obtuse angle A....
Ответ:
Step 3
Step-by-step explanation:
Ответ:
Its C
Step-by-step explanation:
Ответ:
16. 9 - (-5) = 21.9
17. -12 - ( + 8) = -4
18. 15 - 9 = 6
19. -5 - (-8)= 3
20. -11 - ( + 14 ) = -25
Step-by-step explanation:
Subtracting a negative from another number is the same as adding the number. Thus, 16.9 - (-5) = 16.9 + 5.
Hope it helps <3 :)