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Answer:
6x10⁹
Step-by-step explanation:
so we regroup them
(2×3)×(10⁵×10⁴)
6×10⁵+⁴
=6×10⁹
Answer:
7 and 12
Step-by-step explanation:
x - y = 5
y = (5+x)
x+ (5+x) = 19
2x +5 = 19
2x = 14
x = 7
19-7 = 12
12 +7 = 19
12-7 = 5