Question

write Scientific notation of
349​

Answer 1

Answer:

Why is 340 written as 3.4 x 102 in scientific notation?

Step-by-step explanation:

To convert a number to scientific notation, place or move the decimal point of a number until the coefficient of the number is greater than 1 and less than 10. Record down the coefficient (a) and count the number of steps the decimal point was moved. The number of steps moved (n) is taken as the exponent.

Answer 2

it's simple

ans is :3.49×10²

The purpose of scientific notation is for scientists to write very large, or very small, numbers with ease.

Calculating scientific notation for a positive integer is simple, as it always follows this notation:

a x 10b