Types of Numbers - SAT Subject Test in Math II
Card 0 of 4
Express 73 as a binary (base two) number.
Express 73 as a binary (base two) number.
73 can be uniquely expressed as the sum of distinct powers of two as follows:
Therefore, there is a "1" in the seventh, fourth, and first positions from the right, and a "0" everywhere else. So,
73 can be uniquely expressed as the sum of distinct powers of two as follows:
Therefore, there is a "1" in the seventh, fourth, and first positions from the right, and a "0" everywhere else. So,
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Express 
as a base ten number.
Express
Place values in the base two system are powers of two rather than powers of ten.
is equal to:
Place values in the base two system are powers of two rather than powers of ten.
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Express 68 as a base two (binary) number.
Express 68 as a base two (binary) number.
68 can be expressed as the sum of distinct powers of two as follows:
Therefore, there are 1's in the seventh and third place from the right, and 0's everywhere else, so
68 can be expressed as the sum of distinct powers of two as follows:
Therefore, there are 1's in the seventh and third place from the right, and 0's everywhere else, so
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Which of the following numbers is an imaginary number?
Which of the following numbers is an imaginary number?
By definition, an imaginary number is a number with the term "i" in it. For this problem 7i is the only answer with the imaginary part.
By definition, an imaginary number is a number with the term "i" in it. For this problem 7i is the only answer with the imaginary part.
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