The correct answer is C! Because 21/2 = 10.5 and 10.5 x 4.5 = 47.25
Diameter is 2r, or 18.8 ft
Circumference is 2*pi*r, or 59.1 ft
If the decimal is in the tenths then the denominator would be like 10. Ex: Decimal: 0.2 Fraction- 2/10. and the same with hundredths, thousandths, etc.
Answer:
8.1×10^12
Step-by-step explanation:
6.75×1.2=8.1 and power should be added 6+6=12 and answer is 8.1×10^12