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:
7x + 2y = 9
Step-by-step explanation:
standard form is always written as:
Ax + By = C
Answer:
4
Step-by-step explanation:
Answer:
6767676766767676776767677676767676677676767676767
Step-by-step explanation:
76767676767676767676767676767676767676767676767676
Answer:
-17
Step-by-step explanation:
You subtract $45 from $28 and get a negative number