Multiply.2a2b4(5a8b7 + 8b6 + 10a)
A. 10a8b7 + 16b6 + 20a
B. 10a10b11 + 16a2b10 + 20a3b4
C. 10a10b11 + 8b6 + 10a
D. 10a10b11 + 16a3b10 + 10a
Answer: B
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Multiply and write the answer as a mixed number in simplest form.-5 ? 3
A. -15
B. -16
C. -17
D. -15
Write the proportion.45 children is to 63 bicycles as 5 children is to 7 bicycles
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Answer the question.There is a distributive property for multiplication with respect to addition: a(b + c) = ab + ac. Is there a distributive property for multiplication with respect to subtraction? If so, state the property.
A. No. B. Yes. a(b - c) = ab - ac