1

Problem

Write the number 450000 in scientific notation.

2

Step

Given number

0:00:00

3

Hint

First, move the decimal point in 450000 to the left until there is only one non-zero digit to the left of the decimal point. This requires moving the decimal point five places to the left.

4

Step

After moving the decimal point five places to the left

We get 4.5 , and we have \$ 10^5 \$ left.

5

Solution

Therefore, 450000 in scientific notation is \$ 4.5 \times 10^5\$.

6

Sumup

Please Summarize Problem, Hint, Clue, Formula and Steps

Choices

7

Choice-A

This option is incorrect because the scientific notation of the given number is \$4.5 \times (10)^5\$

Wrong \$4.5 \times (10)^3\$

8

Choice-B

This option is incorrect because the scientific notation of the given number is \$4.5 \times (10)^5\$

Wrong \$4.5 \times (10)^4\$

9

Choice-C

This option is incorrect because the scientific notation of the given number is \$4.5 \times (10)^5\$

Wrong \$45 \times (10)^8\$

10

Choice-D

This option is correct because the scientific notation of the given number is \$4.5 \times (10)^5\$

Correct \$4.5 \times (10)^5\$

11

Step

Option

D

12

Sumup

Please Summarize Choices