10% * $230.00 = $23.00
The discount is $23.00.
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Of course, you know that 10% expressed as a decimal is 0.10. Many calculators will calculate percentages directly. If yours doesn't, you can use the decimal equivalent. If you recognize that multiplying by 1/10 simply shifts the decimal point to the left one place, you can do the arithmetic in your head.
Answer:
153.86
Step-by-step explanation:
formula - A = π × r2
3.14 x 7^2
= 153.86
Answer:
38.47 m2
Step-by-step explanation:
Area = 3.5 x 3.5 x 3.14
Area = 12.25 x 3.14
Area = 38.465 --> 38.47m2
Hope that helps!