To calculate this expression using a calculator, follow these steps:
1. Enter the first term into the calculator, which is 7.4 x 10^5. The calculator should display this value.
2. Press the multiplication button on the calculator.
3. Enter the second term, which is 1.3 x 10^4. The calculator should display the product of the first term and the second term.
4. Press the division button on the calculator.
5. Enter the third term, which is 5.5 x 10^-4. The calculator should display the result of dividing the product by the third term.
6. The final result should be displayed in standard form on the calculator.
After performing the calculations, the result in standard form to 2 significant figures is approximately 1.34 x 10^14.
Using a calculator work out
7.4 x 10^5 + 1.3 x 10^4/5.5 x 10^-4
Give your answer in standard form to 2 significant figures
3 answers
why are you multiplying the first two items?
There's a + sign there!
There's a + sign there!
Apologies for the confusion. You are correct, there is a plus sign in the expression.
To calculate the expression correctly, follow these steps:
1. Enter the first term into the calculator, which is 7.4 x 10^5. The calculator should display this value.
2. Press the plus button on the calculator.
3. Enter the second term, which is 1.3 x 10^4. The calculator should display the sum of the first term and the second term.
4. Press the division button on the calculator.
5. Enter the third term, which is 5.5 x 10^-4. The calculator should display the result of dividing the sum by the third term.
6. The final result should be displayed in standard form on the calculator.
After performing the calculations, the result in standard form to 2 significant figures is approximately 1.35 x 10^9.
To calculate the expression correctly, follow these steps:
1. Enter the first term into the calculator, which is 7.4 x 10^5. The calculator should display this value.
2. Press the plus button on the calculator.
3. Enter the second term, which is 1.3 x 10^4. The calculator should display the sum of the first term and the second term.
4. Press the division button on the calculator.
5. Enter the third term, which is 5.5 x 10^-4. The calculator should display the result of dividing the sum by the third term.
6. The final result should be displayed in standard form on the calculator.
After performing the calculations, the result in standard form to 2 significant figures is approximately 1.35 x 10^9.
1 answer