Question

The technology output for

1

262 is 2.16840434E−19. Write this number in scientific notation with three significant digits.



The number

1

262 written in scientific notation with three significant digits is ...?

Answer 1

`2.16840434E-19 = 2.17 * 10^(-19)`

Explanation:

Given

2.16840434E-19

Required

Write in scientific notation

We start by solving the exponent part of the given number

`E-19 = 10^(-19)`

So; We have

`2.16840434E-19 = 2.16840434 * 10^(-19)`

Approximate 2.16840434 to 3 significant digits

`2.16840434E-19 = 2.17 * 10^(-19)`

Hence, the scientific notation of the given number is
`2.17 * 10^(-19)`