Answer:
70 x 15 = 1050
Step-by-step explanation:
do your work lol
(7×10¹⁰) × (3×10²)
(7×3) × (10¹⁰×10²)
21 ×10¹²
W standard form can only be between 1 and 10, so in standard form,
21÷10=2.1
10¹²+¹
10¹³
2.1×10¹³
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