GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A useful method of expressing very small or very large numbers is
A
scientific notation
B
arabic numerals
C
the metric system
D
roman numerals
Explanation: 

Detailed explanation-1: -Scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650, 000, 000 can be written in scientific notation as 6.5 ✕ 10^8.

Detailed explanation-2: -Numbers with many zeros can be cumbersome to work with, so scientists use scientific notation. Scientific notation is a system for expressing very large or very small numbers in a compact manner.

Detailed explanation-3: -Scientific notation ensures accuracy and reduces the possibility of error when using very small or very large numbers. Scientific notation makes it easier to interpret larger numbers, especially for individuals who don’t have much experience working with such large or small numbers.

Detailed explanation-4: -How to do Scientific Notation? When expressing small numbers in scientific notation, we use negative exponents for the base of 10. For example, 0.00002 = 2 x 10-5, where-5 is the negative exponent.

Detailed explanation-5: -Scientific notation is simply a way of writing numbers. It is especially useful in expressing very large or very small numbers because it is shorter and more efficient and it shows magnitude very easily. Every real number can be written as a product of two parts: a decimal part times an integer power of ten.

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