Answer:

Step-by-step explanation:
Hello,
We need to use the <u>distributive property</u> which means that for a, b and c real numbers a(b+c)=ab+ac
So here we can write

do not hesitate if you have any question
Answer:6
Step-by-step explanation:
since it is A half circle it is the hhalf Value of the area of the full circle
Multiply the weight in tonnes by the conversion factor ( 1 tonne = 1000 kg) to get the weight in kg's:
170 tonnes x 1000 = 170,000
Now convert to scientific notation, by moving the decimal point to have only 1 digit to the left of the decimal.
To do this, you would need to move the decimal 5 places to the left to get 1.70000
Now remove the 0's and multiply the number by 10 raised to the number of paces the decimal was moved to get:
1.7 x 10^5 kg's.