Question

Write the number (9.1 x 10-5)4 in scientific notation
A) 1.458 x 1016
B) 1.48 x 1016
C) 1.45 1016​

Answer 1

Answer: An easy way to write very large or very small numbers

For example

5.6 x 10-9 instead of .0000000056

7.2 x 107 instead of 72,000,000,000,000

Correct format

ONE nonzero digit to the left of the decimal point

Exponent = number of places the decimal point is moved to get correct format

move the decimal point to the right --> negative exponent

move the decimal point to the left --> positive exponent

When numbers with exponents are

multiplied, the exponents are added

divided, the exponents are subtracted

Answer 2

Answer:

The answer is B

Step-by-step explanation: