Q1 of 124 Page 37

Write each of the following in scientific notation:
92.43

Scientific Notation: A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

Let N = 92.43

Divide N by 100 to remove decimal, we get

Multiply and Divide N by 1000, we get

Thus, scientific notation of 92.43 = 9.243 × 10¹

Prove the following equations.

log₅0.00125 = 3 - 5log₅10

Prove the following equations.

Write each of the following in scientific notation:

0.9243

Write each of the following in scientific notation:

9243

Questions · 124

2. Scientific notations of real numbers and logarithms

1 1 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 7 7 7 7 7 7 7 7 8 9 9 9 9 9 9 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 4 4 4 4 4 4 5 6 6 6 6 6 6 6 6 6 6 6 6 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 9 10

Write each of the following in scientific notation:92.43