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Elena-2011 [213]
3 years ago
15

Please help with questions 6 & 7

Mathematics
2 answers:
mash [69]3 years ago
4 0
5x10^5

0.000023 + 0.0000078= 0.0000308
3.8x10^-6

i think
sorry if wrong but i dont know the second one that well
Sunny_sXe [5.5K]3 years ago
3 0
#7a = 2 and 20 tenths

#7b = ????????????????????????????????????????????????????????????????
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