Express the number in scientific notation.8,200,000
A. 8.2 × 107
B. 8.2 × 106
C. 8.2 × 10-7
D. 8.2 × 10-6
Answer: B
Mathematics
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Find the potential function f for the field F.F = 7x6y5z3i + 5x7y4z3j + 3x7y5z2k
A. f(x, y, z) = x21y15z9 + C
B. f(x, y, z) = 
C. f(x, y, z) = x7y5z3 + C
D. f(x, y, z) = x7y5z3 + 5x7y4z3 + 3x7y5z2 + C
Mathematics
Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.6.8 + 0.466 + 32.29
A. 39.56 B. 39.6 C. 39.556 D. 39
Mathematics
Add or subtract.
- 
A. 
B. 
C. 
D. 
Mathematics
Find the product AB, if possible.A = 
, B = 
A. 
B. 
C. AB is not defined.
D. 
Mathematics