Q. Which expression is equivalent to 10−8 ?Choose 1 answer:(A) 8−10(B) 10−(−8)(C) 10+(−8)(D) −8−10
Understand given expression: Understand the given expression.The expression 10−8 means 10 minus 8.
Compare with option (A): Compare the given expression with option (A). Option (A) is 8−10, which means 8 minus 10. This is not equivalent to 10 minus 8 because the order of subtraction matters.
Compare with option (B): Compare the given expression with option (B). Option (B) is 10−(−8), which means 10 minus negative 8. Subtracting a negative is the same as adding the positive, so this is equivalent to 10 plus 8, which is not the same as 10 minus 8.
Compare with option (C): Compare the given expression with option (C). Option (C) is 10+(−8), which means 10 plus negative 8. Adding a negative number is the same as subtracting its positive value, so this is equivalent to 10 minus 8.
Compare with option (D): Compare the given expression with option (D). Option (D) is −8−10, which means negative 8 minus 10. This is not equivalent to 10 minus 8 because the order and signs are different.
More problems from Multiplication with rational exponents