Expand.(
+ 1)6 + (
- 1)6
A. 416
B. 370
C. 370
D. 208
Answer: A
Mathematics
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Evaluate the expression.24 + 21
A. 6 B. 18 C. 5 D. 10
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Divide, when possible.88,197 ÷ 450
A. 195 B. 195 r387 C. 447 D. 195 r447
Mathematics
Write the number in scientific notation.0.000002174
A. 2.174 × 106 B. 2.174 × 10-5 C. 2.174 × 10-7 D. 2.174 × 10-6
Mathematics
Use a proportion to solve the problem.On Anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If her rear wheel turns 364 times per mile, how many times does she turn the pedal in one mile?
A. 208 times B. 368 times C. 637 times D. 371 times
Mathematics