That’s hard umm idk look it up and it will tell you
Answer:
5 significant figures
Step-by-step explanation:
looking at the last two digit of the numbers, it multiplication gives, 4*5=20
we already have four significant figures ,
so, 2 would be the fifth since 0 is not going to be counted
Answer:
cos 60 1/2
sin0 0
tan45 1
Step-by-step explanation:
do it in calculator
False ......................................