10+(30)+744
40+744
Answer: 784
Explanation:
he has done this because British people recognise the name David more as it is common in the UK.
C. The Rocky Mountains I believe, Mt. Elbert is in Colorado and the Rocky Mountains go through Colorado.
<span>The approximate lifetime of a star like our Sun is in the range of 10.3 billion years. At a current age of 4.6 billion years, this will leave (10.3 - 4.6) or approximately 5.7 billion years before the supply of hydrogen fuel (and thereby, helium) will run out.</span>