Calculate 4.8 * 10 ^ - 3 - 9.4 * 10 ^ - 6 Express the answer in scientific notation rounding to 2 decimal places. (1 point)
4.8 * 10^(-3) - 9.4 * 10^(-6) can be rewritten as:
0.0048 - 0.0000094
This equals 0.0047906.
Rounding this to 2 decimal places in scientific notation gives:
4.79 * 10^(-3).
To calculate 4.8 * 10^(-3) - 9.4 * 10^(-6), we first need to convert both numbers to the same power of 10.
4.8 * 10^(-3) is already in scientific notation.
To express 9.4 * 10^(-6) in scientific notation, we can write it as 0.0094 * 10^(-3).
Now we can subtract these two numbers:
4.8 * 10^(-3) - 0.0094 * 10^(-3) = (4.8 - 0.0094) * 10^(-3)
Simplifying the subtraction gives us:
4.7906 * 10^(-3)
Rounding this to 2 decimal places, we get:
4.79 * 10^(-3)
To calculate the expression 4.8 * 10 ^ -3 - 9.4 * 10 ^ -6, you can follow the steps below:
1. Multiply the two values separately:
- 4.8 * 10 ^ -3 = 0.0048
- 9.4 * 10 ^ -6 = 0.0000094
2. Calculate the subtraction:
- 0.0048 - 0.0000094 = 0.0047906
3. Round the result to two decimal places:
- 0.0047906 rounded to two decimal places is 0.00
4. Express the answer in scientific notation:
- To express the result in scientific notation, you need to represent the value as a number between 1 and 10 multiplied by a power of 10.
- In this case, since 0.00 is already in scientific notation, the final result is 0.00 * 10 ^ 0.
Therefore, the answer is 0.00 * 10 ^ 0 in scientific notation.