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Explanation The given multiplication problem is 27 multiplied by 10 to the power of 2. To solve this, we first calculate 10 to the power of 2, which is 100. Then, we multiply 27 by 100, resulting in 2,700.
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2.
80 X 10^{2}
Explanation The given question is asking to multiply 80 by 102. The product of these two numbers is 8,160, not 8,000. Therefore, the given answer of 8,000 is incorrect.
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3.
306 X 10^{2}
Explanation The given question is asking for the product of 306 and 102. To find the answer, we multiply 306 by 102, which equals 30,600. Therefore, the correct answer is 30,600.
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4.
145 X 10^{2}
Explanation The given question asks for the product of 145 and 102. The correct answer is 14,500, which is obtained by multiplying 145 by 102.
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5.
520 X 10^{2}
Explanation The given question asks for the product of 520 and 102. When multiplying these two numbers, we can multiply 520 by 2, which gives us 1040, and then multiply 520 by 100, which gives us 52,000. Therefore, the correct answer is 52,000.
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6.
60 X 10^{3}
Explanation The given question is asking for the product of 60 multiplied by 103. The correct answer is 60,000. This is because when you multiply 60 by 103, you get a result of 6,180.
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7.
48 X 10^{3}
Explanation The given question is asking for the product of 48 and 103. To find the answer, we multiply 48 by 103, which equals 4,944. Therefore, the correct answer is 4,944.
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8.
143 X 10^{3}
Explanation The given question asks for the product of 143 and 103. To find the product, we multiply the two numbers together. When we multiply 143 by 103, we get 14,729. Therefore, the correct answer is 14,729.
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9.
630 X 10^{3}
Explanation The given question asks for the product of 630 and 103. When multiplying these two numbers, we get 65,190. However, the correct answer provided is 630,000. It seems that there may be an error in the answer given, as it does not match the result of the multiplication.
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10.
35 X 10^{5}
Explanation The correct answer is obtained by multiplying 35 by 105, which equals 3,675.
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11.
198 X 10^{8}
Explanation The correct answer is obtained by multiplying 198 by 108. The product of these two numbers is 19,800, which can be represented as 19,800,000,000 in scientific notation.
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12.
256 X 10^{2}
Explanation The given question is asking for the product of 256 and 102. To find the answer, we multiply 256 by 102, which gives us 25,600.
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