Krista was most likely try to see how the amount of time she took to study reflected in her quizzes. She would most likely have higher scores if she studied longer. There is no information given on how her math scores are or how long she studies math so I can’t answer the third question. There’s no best way to study; everyone is different. Some rewrite notes and others make flash cards. You may like to be quizzed by someone. It just depends what works best for you.
Answer:
Total 5 significant digits.
Explanation:
Significant digits are the numbers that give a meaningful contribution. For example, digit 013 has the 2 significant digits and zero is not a significant digit because digits 1 and 3 give meaningful contribution but digit zero does not value meaningful contribution. Similarly, the 89015 has a total of 5 significant digits and these digits are the 8, 9, 0, 1, and 5.
Answer:
523.66g or 524g for proper sig figs
Explanation:
First you have to get the molar mass of MgCl2 which is 95.211g/mol. You can calculate this through added the atomic mass of one magesium atom and 2 chloride atoms. You then multiply the 5.50mol by the 95.211g/mol and that cancels out the unit of moles leaving only grams.
Answer:
Earth takes in thermal energy from the Sun in a process called. ... Sunlight strikes Earth's surface at different angles. This angle is called the angle of. ⇒ insolation.
Explanation:
Report the guy that spammed, he spams for points and doesn't even try to help.
Answer: Dinitrogen pentoxide
Explanation: