The correct answer (reported to the proper number of significant figures) to the following is:(1712 - 1615) × (8.66 × 7.66) = __
1 answer:
Answer:
Value of given expression is 6434.5532 and number of significant figures is 8.
Step-by-step explanation:
The given expression is
We need to find the value of given expression.
On simplifying the parentheses we get
On multiplication we get
Therefore, the value of given expression is 6434.5532 and number of significant figures is 8.
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21 cars, 32 motorcycles.
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subtract terms
divide both sides by negative 2 to solve for x
x =21
plug in x into original equation to solve for y.
21 + y = 53
subtract both sides by 21
y=32
create a system of equations using x for cars and y for motorcycles.
multiply the top equation by 2 to prepare for elimination method
subtract terms
divide both sides by negative 2 to solve for x
x =21
plug in x into original equation to solve for y.
21 + y = 53
subtract both sides by 21
y=32