Mathematics, 28.07.2019 15:40, rebeccamckellpidge
Multiply and give the answer in scientific notation: (2.3 x 10-3)(3 x 108) a) 6.9 x 105 b) 6.9 x 1011 c) 6.9 x 10-5 d) 6.9 x 1024
Answers: 2
![2.3\times3\times10^{-3}\times10^8\\=(2.3\times3)\times(10^{-3}\times10^8)\\=6.9\times10^{-3+8}......[\text{by law of exponents }a^n\cdot\ a^m=a^{m+n}]\\=6.9\times10^{5}](/tpl/images/0143/3436/a8b2f.png)
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Multiply and give the answer in scientific notation: (2.3 x 10-3)(3 x 108) a) 6.9 x 105 b) 6.9 x 10...
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