Question

how many three digits number are divisible by 4 and sum of these numbers​

Answer 1

Answer:

225 Three

Answer Expert Verified

The first three digit number which is divisible by 4 = 100 . Now, Number of numbers completely divisible by 4 = 249 - 24 = 225 . Therefore, 225 Three digit numbers are completely divided by 4 .

Answer 2

Answer:

$\huge\sf{\boxed{\underline{Physical~ Change}}}$

When a substance undergoes a physical change, its composition remains the same despite its molecules being rearranged.

Physical change is a temporary change.

A Physical change affects only physical properties i.e. shape, size, etc.

A physical change involves very little to no absorption of energy.

Some examples of physical change are freezing of water, melting of wax, boiling of water, etc.

$\huge\sf{\boxed{\underline{Chemical~ change}}}$

When a substance undergoes a chemical change, its molecular composition is changed entirely. Thus, chemical changes involve the formation of new substances.

A chemical change is a permanent change.

Chemical change both physical and chemical properties of the substance including its composition

During a chemical reaction, absorption and evolution of energy take place.

A few examples of chemical change are digestion of food, burning of coal, rusting, etc.