Express the following sum with the correct number of significant figures: 1.00 kg + 1531 g + 2.54X10^4 mg.

the expression 15n + 2(3p) represents the amount isaiah spent buying gasoline and snacks, where n represents the price of each gallon of gasoline and p represents the cost of each snack that he bought. which statement is true about the amount isaiah spent?

spectral lines lyman is one set

i need with 1.3.2 investigate cycling o2 and co2 apex

we need to see it

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.