Question

90 • 4 – 14 ÷ 2 + 10^2 ÷ 5 • 2

Answer 1

Remember "PEMDAS" rules, otherwise known as "order of operations" rules?
In this case, you MUST multiply and divide before adding and subtracting. Please show your work.

Answer 2

P - Parentheses
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction

So first, you would do any operations in parentheses. As there are none we move to exponents. Can you do that and post the updated problem?

Answer 3

\[90 * 4 - 14 \div 2 + 10^2 \div 5 * 2\]

Answer 4

90 x 4 -14 /2 + 10^2 / 5 x 2
90 x 4 - 14 /2 + 100 /5 x 2
360 - 14 / 2 + 100 / 5 x 2
360 - 7 + 100 / 5 x 2
360 - 7 + 20 x 2
360 - 7 + 40
353 + 40
393

Answer 5

That is correct.

Answer 6

Just remember to do all multiplication and division before any addition or subtraction. (You did, it is just an important rule.)

Answer 7

Impressive how well you (count) applied and followed those rules. Keep up the good work!