Explain how you will find the sum of 4.2 and 2.14

you find the sum by adding a "0" at the end of "4.2" and the stack add them (or however you can add them).

Step-by-step explanation:

 4.20

+ 2.14

=  6.34

plants store their excess carbohydrate in the form of starch so that it could be used as energy source later on. the excess carbohydrate is converted into starch in the plastid i.e. chloroplast & this process occurs in the presence of sunlight. it is an insoluble polymer of glucose which gets stored in cell organelles named as amyloplasts. in some plants, starch is also stored in roots and embryos.

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right