Answers

✨ Best Answer ✨

参考・概略です

(5) (2.0×10⁻⁹)×(4.0×10⁻⁷)
 =8.0×10⁻¹⁶

(6) (5.0×10⁻⁷)×(4.5×10⁻⁷)
 =22.5×10⁻¹⁴
 =(2.25×10¹)×10⁻¹⁴
 =2.25×10⁻¹³
 =2.3×10⁻¹³

ユウ

ありがとうございます!🙏✨

Post A Comment
Were you able to resolve your confusion?

Users viewing this question
are also looking at these questions 😉