Step-by-step explanation:
we have 8 equally "heavy" batches.
one weighs 3.9 × 10^-10 g
so, the total sample then weighed
8 × 3.9 × 10^-10 = 31.2 × 10^-10 = 3.12 × 10^-9 g
Simplify the expression.
25x6−4
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The absolute value of -1/3 is 1/3. I guess by using the number line you move 2(1/3) to the right from the point -1/3
186/3=62
a possible answer could be 60, 62, 64.