saskiat1155
22.10.2020 •
Mathematics
V 11. What is the result of multiplying 2.5 x 10 10 by 3.5 x 10 -7
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Ответ:
(2.5 x 10^10) x (3.5 x 10^-7) <--- When multiplying, numbers can be arranged in any order.
= (2.5 x 3.5) x (10^10 x 10^-7) <--- When you multiply numbers with the same base, add their exponents.
= 8.75 x 10^3
Step-by-step explanation:
Ответ:
45/2=22.5:(radius)
22.5^2=506.25:(r^2)
pi 506.25=1590.43:(pi r^2)
1590.43*15=23856.45:(pi r^2h)
1/3*23856.45=7952.15:(1/3(pi r^2h))
V= about 7952.15
A) 7948