Rounding - practice problems - page 7 of 24
Number of problems found: 462
- Retirement saving
Deryl wishes to save money to provide for his retirement. Beginning one year from now, he will begin depositing the same fixed amount each year for the next 30 years into a retirement savings account. Starting one year after making his last deposit, he wi - The crane
The construction crane has a 20m long arm. What construction area in ares can it handle from this crane if it rotates around its axis? - Trapezoidal 61231
The room has a trapezoidal floor plan; we need to polish it. The parallel sides in a trapezoid are 4,800 mm and 4,400 mm long, and the oblique sides are 4,600 mm and 5,100 mm long. There are two 900 mm wide doors in the room. One strip measures 250 cm and - Unidentified 61201
The set contains 12 different figures. How many unidentified individual figures do I have to buy to have precisely two complete sets with a 90% probability after unpacking them?
- Hydrogen 60813
One liter of air weighs 1,299 g, and one liter of hydrogen 0.089 8 g. How many times is hydrogen lighter? Round the result to units. - Market open
A certain market opens for sales every 7th day of the week. If it opened last on a Friday, what day of the week will the market be opened again after nine months? (Hint: a month is 30 days) - Round
Write five numbers from which the number 2400 was created after rounding to hundreds. - Jožko 59553
Joseph has five teeth. He'll lose half a tooth in 3 days. How many teeth did he lose in 5.3 days? - Highway
A stretch of highway 12 1/4 kilometers long has speed limit signs every 7/8 of a kilometer. How many speed limit signs are on this stretch of highway?
- Juice division
534 liters of juice were in a container. If every person gets 14 liters, how many people will get juice from the container? - Container 59083
In the garden, there was 121l of water in a large container. How many buckets of 9 l will we fill? - Nicola 2
Nicola is playing a video game where each round lasts 7/12 an hour. She has scheduled 3 3/4 hours to play the game. How many rounds can Nicole play? - Halves
How many halves are there in 5 3/4? - Sqrt between ints
Which two consecutive integers does the square root lie in? * √45 √23 √71 √7 √86
- Regular octagon pad
You need to make a pad in the shape of a regular octagon with a side length of 4 cm. What is the minimum diameter of the circle-shaped semi-finished product from which we make the pad, and what will be the percentage of waste? (Round the results to 1 deci - Jimmy
Jimmy earns an average of PHP 140.50 per hour in offering a Math tutor. At least how many hours does he need to work to earn Php 1,100.00? - Estimate
Estimate the answer by rounding each fraction to the nearest whole number and then subtracting. 9/15 - 2 7/8 - The tire
The tire of a car has a radius of 10.5 inches. How many revolutions does the tire need to make for the car to travel 13,200 inches? Round to the nearest whole revolution. - Semicircle
The ornament consists of one square and four dark semicircles. The area of the square is 4 cm². Find the area of one dark semicircle and round the result to hundreds.
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