2x(-7)^2-9 = 2x49-9=98-9=89 maybe
Considering the place value of the digit 9, in the first number, the decimal value of 9 is thousands. In the second number, the decimal value of 9 is hundredths. The conclusion we are drawing is: The second decimal is 10 times larger than the first one
Step-by-step explanation:
- (2×10^8)(2×10^-2)
- 4×10^8+(-2)
- 4×10^6
<h3>stay safe healthy and happy.</h3>
Answer: 249800
Step-by-step explanation:
Uhh you round it.
