What is the result of the following operation in scientific notation? 10 15 + 4,8.10 15 = (8,6 + 4,8).10 15 = 13,4.10 15 + 1 = 1,34.10 1...
What is the result of the following operation in scientific notation?
10
15
+
4,8.10
15
= (8,6 + 4,8).10
15
= 13,4.10
15
+ 1
= 1,34.10
16
Remember that in addition and subtraction, equal signs add up and the sign is preserved.
It is essential to leave the result in scientific notation.
b) 7,5.10
-22
– 0,027.10
-20
= 7,5.10
-22
– 2,7.10
-20 – 2
= 7,5.10
-22
–
2,7.10
-22
= (7,5 – 2,7).10
-22
= 4,8.10
-22
Remember that in addition and subtraction, different signs subtract and the sign of the larger number is preserved.
In this case, the result is already in scientific notation.
10
15
+
4,8.10
15
= (8,6 + 4,8).10
15
= 13,4.10
15
+ 1
= 1,34.10
16
Remember that in addition and subtraction, equal signs add up and the sign is preserved.
It is essential to leave the result in scientific notation.
b) 7,5.10
-22
– 0,027.10
-20
= 7,5.10
-22
– 2,7.10
-20 – 2
= 7,5.10
-22
–
2,7.10
-22
= (7,5 – 2,7).10
-22
= 4,8.10
-22
Remember that in addition and subtraction, different signs subtract and the sign of the larger number is preserved.
In this case, the result is already in scientific notation.
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💡 1 Resposta
Ed 
O resultado da operação em notação científica é 1,34.10¹⁶.
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