The equation 0.3x = 7 was translated from the problem "_____."
2 answers:
Answer:
B) 30% of what number is 7.
Step-by-step explanation:
The given equation is 0.3x = 7
Here "x" is a variable.
0.3x = 7 means 0.3 times of x equals 7.
The variable x is assigned for an unknown number and 0.3 = = 30 %
0.3x = 7
30% of x is 7
Which means 30% of the number(x) is 7.
Therefore, the answer B) 30% of what number is 7.
Note: Variables always assigned to find the unknown numbers.
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Answer:
Simplify the problems first
Step-by-step explanation:
Before you can convert it to scientific notation, you should simplify it first.
#1 for example:
Use PEMDAS to solve the equation:
So, now we have a super big number. To write it in scientific notation, put a decimal place in the number before the zeroes start. It would be since there are 11 places after the decimal.