16, first you need to add on the four he lost to the 18 he ended with.
Answer: 9.2•10^7 kilometers
Step-by-step explanation:
5.8•10^7=58,000,000
1.5•10^8=150,000,000
150,000,000-58,000,000=92,000,000
92,000,000=9.2•10^7
Replace the x by x+3
so it would be
4log(x+3)
Answer:
98 cm²
Step-by-step explanation:
area of rectangle = length * width
length = 14 cm, width = 14/2 = 7 cm
area = 14 * 7 = 98 cm²