4. Which of the following is equivalent to 800 cm?
a) 80000 nm
b) 8000 mm
c) 8.0×10^7 um
d) 8.0×10^5 km
e) 80 m

Question

4. Which of the following is equivalent to 800 cm?  a) 80000 nm  b) 8000 mm  c) 8.0x10^7 um  d) 8.0x10^5 km  e) 80 m

thanhha · Answer

Answer:    Explanation:  1 cm =10mm so 800cm is equal to 8000mm.so b is the correct answer

4. Which of the following is equivalent to 800 cm? a) 80000 nm b) 8000 mm c) 8.0×10^7 um d) 8.0×10^5 km e) 80