Answer:
Option 3. 1,000 times
Step-by-step explanation:
we know that
The value of digit 8 in 82.77 is equal to 80
The value of digit 8 in 20.18 is 0.08
so
Divide 80 by 0.08
80/0.08=1,000 times
Answer:97 rods
Step-by-step explanation:
The number of steel rods for 95% confidence level


E=3

Substituting values


Thus 97 rods is tested
Answer:
x = 15
Step-by-step explanation:
=> x - 3 = 12
=> x = 15
Substitute the given value into the function and evaluate.
The answer is -10
Answer:
Option C and D are examples of associative property of multiplication.
Option A is examples of commutative property of multiplication.
Option B is normal multiplication.
Hope this helps!
:)