Asked by Tasneem
Suppose that a scientist estimates that every square mile of the ocean contains an
average of 4.6 × 104
pieces of trash. The area of the Earth’s surface that is
covered by oceans is approximately 1.2 × 108
square miles. Using the estimate,
how many pieces of trash are in the Earth’s oceans?
average of 4.6 × 104
pieces of trash. The area of the Earth’s surface that is
covered by oceans is approximately 1.2 × 108
square miles. Using the estimate,
how many pieces of trash are in the Earth’s oceans?
Answers
Answered by
Ms. Sue
4.6 * 104 = 478.4 pieces of trash per square mile of ocean
1.2 * 108 * 478.4 = ______ pieces of trash in the oceans
1.2 * 108 * 478.4 = ______ pieces of trash in the oceans
Answered by
Tasneem
still dont understand .
Answered by
Ms. Sue
Just plug this multiplication problem into a calculator.
You can also copy and paste that problem into the Google search box.
You can also copy and paste that problem into the Google search box.
Answered by
oobleck
online, we use ^ for powers
copy/paste of superscripts does not usually work in plain text
So, how many pieces of trash?
4.6 × 10^4 pieces/mi^2 * 1.2 × 10^8 mi^2
= 4.6*1.2 × 10^4*10^8
= 5.52 × 10^12 pieces
copy/paste of superscripts does not usually work in plain text
So, how many pieces of trash?
4.6 × 10^4 pieces/mi^2 * 1.2 × 10^8 mi^2
= 4.6*1.2 × 10^4*10^8
= 5.52 × 10^12 pieces
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