Answer:
<em>n = 6 </em>
Step-by-step explanation:
2.3 × = (1 × 10³)(2.3 ×
)
(1 × 10³)(2.3 × ) = (1)(2.3) × (10³)(
) = 2.3 ×
2.3 × = 2.3 ×
⇒ 3 + n = 9 ⇒ <em>n = 6</em>
Which of the following expressions are equivalent to -1/2 ?
1 answer:
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Answer:
180 cars
Step-by-step explanation:
Like you can see in the picture, I like to set up a proportion, so 81 over X and 45 over 100. Then, you can cross multiply, so 81 x 100 = 8100 and then divide, 8100 ÷ 45 = 180, your answer!
