Answer:
3y - x = 21
Step-by-step explanation:
Answer: C. 23%
Step-by-step explanation:
Total: 1,302 +1,550+558 +124 +124+372+558 +558 +248 +310 +496=6200
Savings total: 310 +558 +558=1426
so...
1426/6200= 0.23
23%
Answer:
3.458×10¹⁷ kg
Step-by-step explanation:
(3.5×10⁻² kg/L) × (9.88×10¹⁸ L) = (3.5×9.88) × 10⁽⁻²⁺¹⁸⁾ kg
... = 34.58×10¹⁶ kg
... = 3.458×10¹⁷ kg
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<em>Comment on significant digits</em>
It would be appropriate to round the answer to 2 significant digits, matching the number of significant digits in the least-precise factor. Then the answer would be 3.5×10¹⁷ kg.
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<em>Comment on scientific notation problems</em>
Your scientific calculator can show results in scientific notation.