[外语类试卷]GRE（QUANTITATIVE）练习试卷11及答案与解析.doc

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1、GRE（ QUANTITATIVE）练习试卷 11及答案与解析 1 2 raised to the power of _ =8 2 33=_ 3 222 3=_ 4 53=_ 5 (24)2)=_ GRE（ QUANTITATIVE）练习试卷 11答案与解析 1 【正确答案】 The power that a number is raised to is equivalent to the number of times you multiply that number by itself: 222 is equal to 8, so the answer is 2 raised to the

2、 power of 3 (23). 2 【正确答案】 33, or 3 to the third power, means you must multiply 333, which equals 27. 3 【正确答案】 Remember to add the exponents when multiplying exponential values with the same base: 222 3=25=32. 4 【正确答案】 53=555, which gives you 125. 5 【正确答案】 When raising an exponent to another power, multiply the exponents (42=8). So, the answer is 28), or 256.