Answer:
Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit.
Step-by-step explanation:
$25/5=x/20
times both sides by 20
$500/5=x
$100=x
20 mangoes cost $100
those are some severly overpriced mangoes
Let me walk you through this real quick:
-4x + 9 (10x - 1)
-4x + 90x - 9 (open up the brackets)
90x - 4x - 9
= 86x - 9
Answer: $38.66
You find the amount that is taxed by multiplying 0.08 by $35.80 which is $2.86 and adding that to the original amount.
