Final answer:
The expression 5.68×10^4 in standard form is 56,800, which is option d. This is calculated by moving the decimal point four places to the right because of the exponent on the number 10.
Step-by-step explanation:
The expression 5.68×104 in standard form is calculated by moving the decimal point 4 places to the right because the exponent on the 10 is positive and equals 4. When we do this, we get the number 56,800. Therefore, the correct answer is 56,800, which corresponds to option d.
Additional Exercises
- Evaluate 0.00000000552 × 0.0000000006188 and express the answer in scientific notation by rewriting the original numbers in scientific notation first.
- Round each number to three significant figures:c. 0.0004505, d. 0.00045050, e. 7.210 × 106, f. 5.00 × 10-6.
- Use a calculator to evaluate expressions such as 456 × (7.4 × 108) and express the result in proper scientific notation.
- Convert ordinary numbers to scientific notation or vice versa, for example, 0.000006567 or 6.22 × 10-2.