Question

3. Subtract:
a) –500 from
389
c) - 657 from o
- 324
b) - 756 from -
379.
4. Subtract-670 from the sum of 550 and –379
please give answer in the notebook step by step explanation
I promise who give solution in notebook step by step explanation I will mark you brainlist ​
it is so urgent
please give answer fast ​

Answer 1

• a -111
• b 981

550

+ -379

_______

171

now

171- 670 = 841 so the ans is 841

Answer 2

Answer:

A decomposition reaction is a reaction in which a compound breaks down into two or more simpler substances. The general form of a decomposition reaction is: AB→A+B. Most decomposition reactions require an input of energy in the form of heat, light, or electricity.