Explanation

Water has a maximum density of 4 degrees Celsius.

while

Water freezes at 0 degrees Celsius and 32 degrees Fahrenheit.

Explanation

42.5/7 = 6.07

Explanation

Hydrogen and helium, the lightest two gases,

Hydrogen is a chemical element

It is colorless, odorless, tasteless, non-toxic, and highly combustible. 

Symbol: H

Atomic mass: 1.00784 u

Atomic number: 1

Atomic mass : zero

Boiling point: -252.9 °C

Discoverer: Henry Cavendish

Explanation

This is an odd series 

 3 3 5 5 7 7 9 9 11 11 13 13....

Explanation

The result of 340/50 is a terminating decimal with 1 digit to the right of the decimal point.

340 divided by 50 in decimal = 6.8

340 divided by 50 in fraction = 340/50

340 divided by 50 in percentage = 680%

Explanation

To convert 810/500 so you can write it as a decimal,

simply divide the numerator by the denominator, like this:

= 810/500

= 810 ÷ 500

= 1.62