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napoleonbrown
07.09.2021 •
Mathematics
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Ответ:
46
Step-by-step explanation:
Using PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction), we get:
5 × 7 - 4² + 27 =
Exponents
5 × 7 - 16 + 27 =
Multiplication
35 - 16 + 27 =
Subtraction
19 + 27 =
Addition
46
Ответ:
The answers are Below
Step-by-step explanation:
Question 9
- These type of questions, should be answered by following BODMAS
B - Brackets
O - Power
D - Division
M - Multiplication
A - Addition
S - Subtraction
- Since subtraction comes last in BODMAS method, we have to subtract last after going through the BODMAS process.
Question 10
We follow BODMAS for this question
So first we look for brackets, then Power, then Division, then Multiplication, then Addition, then Subtraction
5 - 7 - 4^2/2
= 5 - 7 + 8/2
= 5 - 7 + 4
= -2 + 4
= 2
Ответ:
Package A
Step-by-step explanation:
To find the unit cost/unit rate:
2 divided by $5.00 equals 0.40 (40 cents)
5 divided by $12.00 equals 0.416666 (round to nearest 0.42,) (42 cents)
So, the Package with the lower number is the better buy. So, Package A.
Hope this helps you :)