Answer:

Step-by-step explanation:

Answer:
A of the shaded figure is 90cm
Oh thats easy. It's a piece of cake. Just use your calculator
1,2,4,8 I might of missed something
Answer:
8.38
Step-by-step explanation:
The underlined number is in the hundredths place, so that means that we're going to round there. That means that you look at the number to its right and if it's lower than 5, it stays the same. However, if it's 5 or higher, you round it up. For example, if the number was 8.386, we would round it to 8.39.