For the diagram below, write and solve an equation to find x. 4x+36° 6x + 12° Answer: x = answer to 2 decimal places if needed. ° Round

A physical chemist measures the temperature T inside a vacuum chamber. Here is the result. T= - 75.2 °C Convert T to SI units. Round your answer to 1 decimal place.

Perform the following computation using your calculator: (report your answer to at least 3 decimal places)   1.76×10-2 × (-2.470) ÷ (-2.43×10-3) = ?

A Chemistry 20 student uses a thermometer and a hot plate and measures the boiling point of ethyl alcohol to be 74.1 ºC. Then, she looks in a reference book and finds that the actual boiling point of ethyl alcohol is 78.4 ºC. What is her percent error?Record only your final answer with the correct number of significant digits and the proper units.

Perform the following calculation and round the answer to the correct number of significant figures. (2.170cm x 3.88cm) + 1.80cm

Express 53.8°C in units of Kelvin. Express your answer to two decimal places.

Express each result in correct number of significant figures and with correct unit.

Express each result in correct number of significant figures and with correct unit.

The product of 80.7 m x 5.01 m is _m². Express the answer with the correct number of significant figures. • Answer must be correctly rounded. • Do not include units in the answer box. Your Answer: Answer

To how many significant figures should each answer be rounded?   equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.650×10−7 m=4.271846322581×10−19 J(unrounded) After rounding, the answer to equation A should have 1 significant figure. 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. equation B: (6.022× 1023 atoms/mol)(0.787 g)20.18 g/mol=2.349×1022 atoms(unrounded) After rounding, the answer to equation B should have 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. 1 significant figure.