It is 1100
Two.
No because it has more than two factors and so 1057 is a composite number
There are two significant figures in the number 0.0075
.020 has two significant figures: 2 and 0 A significant figure are digits that contain meaning contributing to precision. All numbers are considered meaningful except for zero, unless zero is between two other numbers or tailing non zero numbers where a decimal is present.
4647 is 4600 to 2 sig fig.
1057 is not a prime number because it has more than two factors.
Two significant figures.
Two significant figures (2,8).
Two significant figures (8,9).
Two significant figures (3,4).
Two significant figures.
Two significant figures (2,3).
188,100 rounded to two significant figures is 190,000
Two.
Two
There are two of them.
Two