Restate in a logically equivalent form.If it is clean, then it was washed.
A. If it is clean, then it was not washed.
B. If it was not washed, then it is not clean.
C. If it is clean, then it was washed.
D. If it is not clean, then it was not washed.
Answer: B
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Solve the problem. Assume all numbers are approximate unless otherwise stated or the number has been determined by a definition or counting process.A computer hard drive stores exactly 512 bytes of data in each disk sector, and there are exactly 8 sectors in a cluster. If a hard drive contains 1024 clusters, how many bytes of data can be stored?
A. 4,190,000 bytes B. 524,288 bytes C. 4,194,304 bytes D. 4,194,000 bytes
Perform the indicated operation.
A. 4 - x B. x - 4 C. x + 4 D. x + 6
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 54xy10 B. 6xy4 C. 6xy10 D. 6x19y10
Perform the indicated operation and express with the proper accuracy and precision. The first number given is approximate and the second number is exact. (Use calculator if needed).9.47 รท 4528
A. 0.00209 B. 0.0 C. 0 D. 0.00209143