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andrezito [222]
3 years ago
7

PLEASE HELP! I need both and can’t figure out the answer!

Mathematics
1 answer:
zhuklara [117]3 years ago
3 0

Answer:

a) 11.75 * 10^6

b) 1.35 * 10^-7

Step-by-step explanation:

Here, we want to find the sum and the difference

a) That would be;

(3.48 + 8.27) * 10^6

= 11.75 * 10^6

b) That would be;

(9.58-8.23) * 10^-7 = 1.35 * 10^-7

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