Answer:
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Step-by-step explanation:
Answer:
2
Step-by-step explanation:
Answer:
1.25 x 10⁷ km
Step-by-step explanation:
Distance QR = √(3.5 x 10⁶)² + (1.2 x 10⁷)²
= √12.25 x 10¹² + 1.44 x 10¹⁴
= √10¹² (12.25 + 144)
= 10⁶ x 12.5
= 1.25 x 10⁷ km