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No. It lacks a subject. Who streamlined operations?
The pregnancy tests that can be bought for home use will show a result within five minutes. The test done by medical professionals is more accurate and that will give a result in a day.
QD is the medical abbreviation for every day.
Ultrasound are usedful in diagnosing medical problems caused to human beings.
Order of operations is essential so that a mathematical statement can be read the same way by every person who reads it. Take for example the expression: 9 * 2 / 18 + 2 * 3 Without order of operations, this expression can have many different interpretations. These are just 3, but there are many, many more! (9*2)/(18+2*3) = .75 ((9*2)/(18+2))*3 = 2.7 9 * (2 / 18 + (2 * 3)) = 55. So, we use order of operations so that 9 * 2 / 18 + 2 * 3 is equal to 7 every time. In other words, without order of operations, we couldn't write math down and communicate it from one person to the next. We couldn't even keep track of our own calculations from one day to the next. Without order of operations, mathematics as a science would just fall apart.