Question

Read the following steps to save electricity and energy. Classify them into four

parts accordingly.(Any five)



(1)Turn off all unnecessary lights.(2) Use solar heater (3) Buy and use

fuel efficient vehicles (4) Your gas stove flame should be blue.(5) Cover utensils

while cooking food.(6) Use pressure cooker and microwave ovens as they save

cooking time.(7) Save paper-Reuse paper. Print on both sides of the

page.(8)Walk or ride a bicycle whenever possible (9) Use public transport when

possible.

At home In the kitchen At the school While travelling​

Answer 1

Answer:

Mathematical notation is a system of symbolic representations of mathematical objects and ideas. Mathematical notations are used in mathematics, the physical sciences, engineering, and economics.