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The phrase "approximately two to three hours" is correct and usable in written English
It can be used when estimating a duration of time for an event, task, or process. Example: "The meeting will last approximately two to three hours, so please plan accordingly."
Exact(5)
She advised that for every one credit hour, I needed to spend approximately two to three hours outside of class studying.
Home visits lasted approximately two to three hours.
All participants received the full assessment lasting approximately two to three hours.
The intervention is non-denominational and does not place emphasis on any one specific religious practice or tradition.> Participation required a weekly commitment of approximately two to three hours.
Tetrahymena grows rapidly in simple rich medium (primarily proteose peptone), with a doubling time of approximately two to three hours [ 45], but can also be grown in simple chemically defined medium that includes a number of amino acids, nucleosides, salts and vitamins [ 31, 46].
Similar(55)
Game length is approximately two to four hours, and it consists of ten levels.
If eligible, they would be asked to provide informed consent to participate in the study, which would last approximately two-to-three hours.
In a laboratory, approximately three to five hours of work per week is usually expected for each credit.
This method requires less than a minute; the indirect ash test requires approximately one to two hours.
During his college years, Alex took fifteen milligrams of Adderall most evenings, usually after dinner, guaranteeing that he would maintain intense focus while losing "any ability to sleep for approximately eight to ten hours".
During his college years, Alex took fifteen milligrams of Adderall most evenings, usually after dinner, guaranteeing that he would maintain intense focus while losing "any ability to sleep for approximately eight to ten hours". In his sophomore year, he persuaded the doctor to add a thirty-milligram "extended release" capsule to his daily regimen.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com