10 8 * 5.7
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57
To evaluate the algebraic expression 7 + 5x for x = 10, you substitute the value of x into the expression. So, you get 7 + 5(10), which simplifies to 7 + 50. Therefore, the final answer is 57.
To calculate 5.7 x 10, you would multiply 5.7 by 10. The product of this multiplication would be 57. Therefore, 5.7 x 10 equals 57.
8/10
The 8 is in the tens column, so its value is 10 x 8 = 80 (eighty)