Answer:
gill bought 20 pencils
Step-by-step explanation:
10 pencils in each pack × 2 packs = 20 pencils in total
Answer:
a
Step-by-step explanation:
The number 4,278 I think.
Hope this helps!
Answer:
We multiplied by a negative number (-8)
We divided by a negative number (-8)
Step-by-step explanation:
Multiplying or dividing both sides of an equation by a negative number changes the inequality of the equation, because it changes the sign of each side of the equation
9 places should be moved towards left
here eight zeros after decimal point
7.2 × 10-9 = 0. 0000000072