Q. Simplify the expression completely.−−100−24+3216Answer:
Simplify −100: Simplify the square root of −100. The square root of a negative number involves an imaginary number. The square root of −100 is the square root of 100 times the square root of −1, which is 10i, where i is the imaginary unit. Calculation: −100=100×−1=10×i=10i
Simplify 4: Simplify the square root of 4. The square root of 4 is 2 because 2 squared is 4. Calculation: 4=2
Cube root of 216: Simplify the cube root of 216.The cube root of 216 is 6 because 6 cubed is 216.Calculation: 3216=6
Combine simplified parts: Combine all the simplified parts together.We have the expression −−100−24+3216, which simplifies to −10i−2×2+6.Calculation: −10i−4+6
Perform arithmetic operations: Perform the arithmetic operations.Subtract 4 from 6 to get 2, and keep the −10i separate as it involves an imaginary number.Calculation: −10i+(6−4)=−10i+2
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