Which of the following NCTM Standards documents was published first?
a. Principles and Standards for School Mathematics
b. Curriculum and Evaluation Standards for School Mathematics
c. Assessment Standards for School Mathematics
d. Professional Standards for Teaching Mathematics
Ans: b
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Express the number in scientific notation.0.000315
A. 3.15 × 10-3 B. 3.15 × 104 C. 3.15 × 10-4 D. 3.15 × 10-5
Solve the problem.A projectile is fired with an initial velocity of 400 feet per second at an angle of 70° with the horizontal. In how many seconds will the projectile reach its maximum altitude? (Round your answer to the nearest tenth of a second.)
A. 16.6 sec B. 11.8 sec C. 8.4 sec D. 19.9 sec
First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.3
÷ 8
A. 
B. 
C. 
D. 
Find the missing number.
? 
= 10
A. 
B. 5
C. 
D. 10