She can round 4 7/8 as 5 yards of material. and since she's making three, multiply 5 yards by 3 dresses. that equals 15 yards of material needed.
We calculate as follows:
15 mL pure ethanol / 100 mL solution (400 mL) = 60 mL pure ethanol
32% = 32 mL pure ethanol/100 mL solution = 60 mL pure ethanol + x mL pure ethanol / (400 + x)
x = 100 mL pure ethanol was added to the solution ------> OPTION D
Variables:
w= The\ year\ Civil\ War\ ended
The year the Greek city of Helike disappeared is -1/5(w)
sry if im wrong i hope this helps tho :)
4 is a rational number because it can be expressed as the quotient of two integers: 4÷ 1
Answer:
The option is first one that is
Step-by-step explanation:
Given:
After negative exponent eliminated we get
Negative exponent :
The variable containing negative powers. Here the variable( n⁻¹) is negative exponent.
Law of indices